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We evaluated its transformation rules in two experiments. In Experiment 1, we examined our transformation rules for conversational representation in relation to sentence length. Log in with Facebook Log in with Google. Remember me on this computer. Enter the email address you signed up with and we'll email you a reset link. Need an account? Click here to sign up. Download Free PDF. Siu-Tsen Shen. Related Papers. Chapter in the book: Advances in Human- … Multimodal accessibility of documents.
A minimal model for predicting visual search in human-computer interaction. Assistive technology A psychotechnological review on eye-tracking systems: towards user experience. A two-layered approach to make human-robot interaction social and robust. Sustainable knowledge globe: A system for supporting content-oriented conversation.
Establishing natural communication environment between a human and a listener robot. Chances are, if you are deploying new software to be part of a baseline for workstations for example , you will also add it to your task sequence. In my past life, I must admit, I really did like queries. They can be such a powerful tool to populate your collections. I always was looking for ways to pimp the usual types of queries we use.
For example, we developed a fabulous list of operational collections that we can use for our day-to-day deployments. But, that stays static. What I mean by that is if your collection targets workstations, you will always target workstations minus or more of the workstations that get added as the query gets updated.
I personally like when things are a little more dynamic. If I target a deployment for workstations, I would like to see that collection drop to 50, 40, 25 or whatever the count of objects as the deployment succeeds on workstations. We have a deployment. We want to deploy this on all our workstations. Simple right? What if we add to the same query another criteria that exclude all workstations where the Deployment ID for 7-Zip is successful?
As the workstations install the software and return a success code to their management point, this query will rerun itself and should yield fewer and fewer objects. Now, you can use this for all your deployments. But to be optimal, you need to use Package deployments and not applications. So I stated earlier, we start with a very basic package for 7-Zip. And as we typically do, this program is deployed to a collection, in this case I went very originally with Deploy 7-Zip.
Nothing special with our collection the way we usually do it. My current query lists a grand total of 4 objects in my collection. You can clearly see the type of rule is set to Query. Note: I set my updates on collections at 30 minutes. This is my personal lab. I would in no case set this for a real live production collection. Most aggressive I would typically go for would be 8 hours.
Understanding WQL can be a challenge if you never played around with it. Press Ok. As you can see in the screenshot below, my count went down by two since I already had successfully deployed it to half my test machines. Ok, now that we have that dynamic query up and running, why not try and improve on the overall deployment technique, shall we? As you know, a program will be deployed when the Assignment schedule time is reached.
If you have computers that are offline, they will receive their installation when they boot up their workstation, unless you have a maintenance window preventing it. Unless you have set a recurring schedule, it will not rerun. By having a dynamic collection as we did above, combined with a recurring schedule, you can reattempt the installation on all workstations that failed the installation without starting the process for nothing on a workstation that succeeded to install it.
As I said earlier, the goal of this post is not necessarily to replace your deployment methods. By targeting the SCCM client installation error codes, you will have a better idea of what is happening during client installation.
The error codes are not an exact science, they can defer depending on the situation. For a better understanding of ccmsetup error codes, read this great post from Jason Sandys. A better SCCM client installation rate equals better overall management.
You want your SCCM non-client count to be as low as possible. During the SCCM client installation process, monitor the ccmsetup. There are other logs, to which the SCCM client installation relates. Use the command line net helpmsg , for more information about your return error code. There are chances that the last error code returns an empty value for a device.
Some errors have been added based on our personal experiences. Feel free to send us any new error codes, this list will be updated based on your comments. You can also check the list of client commands list, as additional help for troubleshooting your SCCM clients.
Knowing the client installation status from reports reduces the number of devices without SCCM client installed in your IT infrastructure. This report now shows the last SCCM client installation error codes, including the description of the installation deployment state.
We will cover scenarios for new and existing computers that you may want to upgrade. Windows 10, version 22H2 is a scoped release focused on quality improvements to the overall Windows experience in existing feature areas such as quality, productivity, and security. Home and Pro editions of the Update will receive 18 months of servicing, and Enterprise and Education editions will have 30 months of service.
You may also need to deploy Windows 10 22H2 to your existing Windows 10 computer to stay supported or to benefit from the new features. There are a couple of important changes in this release. Before deploying a new Windows 10 feature upgrade, you need to have a good plan. Test it in a lab environment, deploy it to a limited group and test all your business applications before broad deployment. Do not treat a feature upgrade as a normal monthly software update. The release information states: The Windows ADK for Windows 10, version supports all currently supported versions of Windows 10, including version 22H2.
ISO file. Ex: WinH2-Wim. Task Sequences are customizable: You can run pre-upgrade and post-upgrade tasks which could be mandatory if you have any sort of customization to your Windows 10 deployments.
For example, Windows 10 is resetting pretty much anything related to regional settings, the keyboard, start menu , and taskbar customization. Servicing Plan has simplicity, you set your option and forget, as Automatic Deployment Rules does for Software Updates. For migration, you must use an upgrade task sequence. Feature Updates are deployed, managed, and monitored as you would deploy a Software Update.
You download and deploy it directly from the SCCM console. Features Updates are applicable and deployable only to existing Windows 10 systems.
Some Windows 10 version shares the same core OS with an identical set of system files, but the new features are in an inactive and dormant state. By deploying the Enablement package you just enable the new feature. The advantage is that it reduces the updated downtime with a single restart.
Use the enablement package only to jump to the next Windows 10 version example: to OR 20H2 to 21H2. You should have downloaded the ISO file in the first step of this guide. We will be importing the default Install. We will cover this in the next section. This package will be used to upgrade an existing Windows 10 or a Windows 7 or 8.
This Task Sequence could be used to upgrade an existing Windows 7 or 8. We are now ready to deploy our task sequence to the computer we want to upgrade. In our case, we are targeting a Windows 10 computer that is running Windows 10 Everything is now ready to deploy to our Windows 10 computers. For our example, we will be upgrading a Windows 10 to Windows 10 22H2. This task sequence can also be used to upgrade existing Windows 7 or 8.
To install the Windows 10 22H2 operating system, the process is fairly the same except to start the deployment. If you encounter any issues, please see our troubleshooting guide. Once Windows 10 is added to your Software Update Point , we will create a Software Update deployment that will be deployed to our Windows 10 deployment collection.
This is really the most straightforward and fastest method to deploy. As stated in the introduction of this post, you can use Servicing Plan to automate the Windows 10 deployment. Windows 10, version , 20H2, 21H1, and 21H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 22H2 are included in the latest monthly quality update for Windows 10, version , 20H2, 21H1, and 21H2, but are in an inactive and dormant state.
If a device is updating from Windows 10, version , or an earlier version, this feature update enablement package cannot be installed. This is called Hard Block. We have numerous resources on our site for advanced monitoring and we also have pages that cover the whole topic.
This guide can be found in our shop. We developed a report to help you achieve that :. So to wrap up… before you were accessing the Microsoft Intune portal through Azure, now Microsoft wants you to use the new Endpoint Manager Portal. If you already have a Microsoft work or school account, sign in with that account and add Intune to your subscription. If not, you can sign up for a new account to use Intune for your organization.
For tenants using the service release and later , the MDM authority is automatically set to Intune. The MDM authority determines how you manage your devices. Before enrolling devices, we need to create users. Users will use these credentials to connect to Intune. For our test, we will create users manually in our Azure Active Directory domain but you could use Azure AD Connect to sync your existing accounts. We now need to assign the user a license that includes Intune before enrollment.
You can assign a license by users or you can use groups to assign your license more effectively. Repeat the step for all your users or groups.
TLS 1. The WannaCrypt ransomware attack, worked to infect a first internal endpoint. The initial attack could have started from phishing, drive-by, etc… Once a device was compromised, it used an SMB v1 vulnerability in a worm-like attack to laterally spread internally.
A second round of attacks occurred about 1 month later named Petya, it also worked to infect an internal endpoint. Once it had a compromised device, it expanded its capabilities by not only laterally moving via the SMB vulnerability it had automated credential theft and impersonation to expand on the number devices it could compromise. This is why it is becoming so important for enterprises to retire old outdated equipment, even if it still works!
The above listed services should all be scheduled for retirement since they risk the security integrity of the enterprise. The cost to recover from a malware attack can easily exceed the costs of replacement of old equipment or services.
Improvements in computer hardware and software algorithms have made this protocol vulnerable to published attacks for obtaining user credentials. As with any changes to your environment, it is recommended to test this prior to pushing into production. If there are legacy protocols in use, an enterprise does run the risk of services becoming unavailable.
To disable the use of security protocols on a device, changes need to be made within the registry. Once the changes have been made a reboot is necessary for the changes to take effect. The registry settings below are ciphers that can be configured.
Note: Disabling TLS 1. Microsoft highly recommends that this protocol be disabled. KB provides the ability to disable its use, but by itself does not prevent its use. For complete details see below. The PowerShell command above will provide details on whether or not the protocol has been installed on a device. Ralph Kyttle has written a nice Blog on how to detect, in a large scale, devices that have SMBv1 enabled. Once you have found devices with the SMBv1 protocol installed, the device should be monitored to see if it is even being used.
Open up Event Viewer and review any events that might be listed. The tool provides client and web server testing.
From an enterprise perspective you will have to look at the enabled ciphers on the device via the Registry as shown above. If it is found that it is enabled, prior to disabling, Event Logs should be inspected so as to possibly not impact current applications. Hello all! Nathan Penn back again with a follow-up to Demystifying Schannel.
While finishing up the original post, I realized that having a simpler method to disable the various components of Schannel might be warranted. If you remember that article, I detailed that defining a custom cipher suite list that the system can use can be accomplished and centrally managed easily enough through a group policy administrative template. However, there is no such administrative template for you to use to disable specific Schannel components in a similar manner.
The result being, if you wanted to disable RC4 on multiple systems in an enterprise you needed to manually configure the registry key on each system, push a registry key update via some mechanism, or run a third party application and manage it. Well, to that end, I felt a solution that would allow for centralized management was a necessity, and since none existed, I created a custom group policy administrative template.
The administrative template leverages the same registry components we brought up in the original post, now just providing an intuitive GUI. For starters, the ever-important logging capability that I showcased previously, has been built-in.
So, before anything gets disabled, we can enable the diagnostic logging to review and verify that we are not disabling something that is in use. While many may be eager to start disabling components, I cannot stress the importance of reviewing the diagnostic logging to confirm what workstations, application servers, and domain controllers are using as a first step. Once we have completed that ever important review of our logs and confirmed that components are no longer in use, or required, we can start disabling.
Within each setting is the ability to Enable the policy and then selectively disable any, or all, of the underlying Schannel components.
Remember, Schannel protocols, ciphers, hashing algorithms, or key exchanges are enabled and controlled solely through the configured cipher suites by default, so everything is on.
To disable a component, enable the policy and then checkbox the desired component that is to be disabled. Note, that to ensure that there is always an Schannel protocol, cipher, hashing algorithm, and key exchange available to build the full cipher suite, the strongest and most current components of each category was intentionally not added.
Finally, when it comes to practical application and moving forward with these initiatives, start small. I find that workstations is the easiest place to start. Create a new group policy that you can security target to just a few workstations. Enable the logging and then review. Then re-verify that the logs show they are only using TLS.
At this point, you are ready to test disabling the other Schannel protocols. Once disabled, test to ensure the client can communicate out as before, and any client management capability that you have is still operational. If that is the case, then you may want to add a few more workstations to the group policy security target.
And only once I am satisfied that everything is working would I schedule to roll out to systems in mass. After workstations, I find that Domain Controllers are the next easy stop. With Domain Controllers, I always want them configured the identically, so feel free to leverage a pre-existing policy that is linked to the Domain Controllers OU and affects them all or create a new one. The important part here is that I review the diagnostic logging on all the Domain Controllers before proceeding.
Lastly, I target application servers grouped by the application, or service they provide. Working through each grouping just as I did with the workstations. Creating a new group policy, targeting a few systems, reviewing those systems, re-configuring applications as necessary, re-verifying, and then making changes.
Both of these options will re-enable the components the next time group policy processes on the system. To leverage the custom administrative template we need to add them to our Policy Definition store. Once added, the configuration options become available under:. Each option includes a detailed description of what can be controlled as well as URLs to additional information.
You can download the custom Schannel ADM files by clicking here! I could try to explain what the krbtgt account is, but here is a short article on the KDC and the krbtgt to take a look at:. Both items of information are also used in tickets to identify the issuing authority. For information about name forms and addressing conventions, see RFC This provides cryptographic isolation between KDCs in different branches, which prevents a compromised RODC from issuing service tickets to resources in other branches or a hub site.
The RODC does not have the krbtgt secret. Thus, when removing a compromised RODC, the domain krbtgt account is not lost. So we asked, what changes have been made recently?
In this case, the customer was unsure about what exactly happened, and these events seem to have started out of nowhere. They reported no major changes done for AD in the past 2 months and suspected that this might be an underlying problem for a long time. So, we investigated the events and when we looked at it granularly we found that the event was coming from a RODC:.
Computer: ContosoDC. Internal event: Active Directory Domain Services could not update the following object with changes received from the following source directory service. This is because an error occurred during the application of the changes to Active Directory Domain Services on the directory service.
To reproduce this error in lab we followed the below steps: —. If you have a RODC in your environment, do keep this in mind.
Thanks for reading, and hope this helps! Hi there! Windows Defender Antivirus is a built-in antimalware solution that provides security and antimalware management for desktops, portable computers, and servers. This library of documentation is aimed for enterprise security administrators who are either considering deployment, or have already deployed and are wanting to manage and configure Windows Defender AV on PC endpoints in their network. Nathan Penn and Jason McClure here to cover some PKI basics, techniques to effectively manage certificate stores, and also provide a script we developed to deal with common certificate store issue we have encountered in several enterprise environments certificate truncation due to too many installed certificate authorities.
To get started we need to review some core concepts of how PKI works. Some of these certificates are local and installed on your computer, while some are installed on the remote site. The lock lets us know that the communication between our computer and the remote site is encrypted. But why, and how do we establish that trust? Regardless of the process used by the site to get the certificate, the Certificate Chain, also called the Certification Path, is what establishes the trust relationship between the computer and the remote site and is shown below.
As you can see, the certificate chain is a hierarchal collection of certificates that leads from the certificate the site is using support. To establish the trust relationship between a computer and the remote site, the computer must have the entirety of the certificate chain installed within what is referred to as the local Certificate Store.
When this happens, a trust can be established and you get the lock icon shown above. But, if we are missing certs or they are in the incorrect location we start to see this error:. The primary difference being that certificates loaded into the Computer store become global to all users on the computer, while certificates loaded into the User store are only accessible to the logged on user.
To keep things simple, we will focus solely on the Computer store in this post. Leveraging the Certificates MMC certmgr.
This tool also provides us the capability to efficiently review what certificates have been loaded, and if the certificates have been loaded into the correct location. Trusted Root CAs are the certificate authority that establishes the top level of the hierarchy of trust. By definition this means that any certificate that belongs to a Trusted Root CA is generated, or issued, by itself. Simple stuff, right? We know about remote site certificates, the certificate chain they rely on, the local certificate store, and the difference between Root CAs and Intermediate CAs now.
But what about managing it all? On individual systems that are not domain joined, managing certificates can be easily accomplished through the same local Certificates MMC shown previously. In addition to being able to view the certificates currently loaded, the console provides the capability to import new, and delete existing certificates that are located within. Using this approach, we can ensure that all systems in the domain have the same certificates loaded and in the appropriate store.
It also provides the ability to add new certificates and remove unnecessary certificates as needed. On several occasions both of us have gone into enterprise environments experiencing authentication oddities, and after a little analysis trace the issue to an Schannel event This list has thus been truncated. On a small scale, customers that experience certificate bloat issues can leverage the Certificate MMC to deal with the issue on individual systems. Unfortunately, the ability to clear the certificate store on clients and servers on a targeted and massive scale with minimal effort does not exist.
This technique requires the scripter to identify and code in the thumbprint of every certificate that is to be purged on each system also very labor intensive. Only certificates that are being deployed to the machine from Group Policy will remain. The ability to clear the certificate store on clients and servers on a targeted and massive scale with minimal effort.
This is needed to handle certificate bloat issues that can ultimately result in authentication issues. On a small scale, customers that experience certificate bloat issues can leverage the built-in certificate MMC to deal with the issue on a system by system basis as a manual process.
CertPurge then leverages the array to delete every subkey. Prior to performing any operations i. In the event that required certificates are purged, an administrator can import the backup files and restore all purged certificates.
NOTE: This is a manual process, so testing prior to implementation on a mass scale is highly recommended. KB details the certificates that are required for the operating system to operate correctly. Removal of the certificates identified in the article may limit functionality of the operating system or may cause the computer to fail. If a required certificate either one from the KB, or one specific to the customer environment is purged, that is not being deployed via GPO, the recommended approach is as follows.
Restore certificates to an individual machine using the backup registry file,. Leveraging the Certificate MMC, export the required certificates to file,. Update the GPO that is deploying certificates by importing the required certificates,. Rerun CertPurge on machine identified in step 1 to re-purge all certificates,. Did we mention Test? Also, we now have a method for cleaning things up things in bulk should things get out of control and you need to rebaseline systems in mass.
Let us know what you all think, and if there is another area you want us to expand on next. The sample scripts are not supported under any Microsoft standard support program or service.
Download CertPurge. Greetings and salutations fellow Internet travelers! It continues to be a very exciting time in IT and I look forward to chatting with you once more. Azure AD — Identity for the cloud era. An Ambitious Plan. This is information based on my experiences; your mileage may vary.
Save yourself some avoidable heartburn; go read them … ALL of them:. Service accounts. TIP — Make sure you secure, manage and audit this service account, as with any service account. You can see it in the configuration pages of the Synchronization Service Manager tool — screen snip below.
Planning on-prem sync filtering. Also, for a pilot or PoC, you can filter only the members of a single AD group. In prod, do it once; do it right. UPNs and email addresses — should they be the same? In a word, yes. This assumes there is an on-prem UPN suffix in AD that matches the publicly routable domain that your org owns i. AAD Connect — Install and configuration. I basically break this phase up into three sections:. TIP — Recapping:. TIP — Subsequent delta synchronizations occur approx.
Switch Editions? Mark channel Not-Safe-For-Work? Are you the publisher? Claim or contact us about this channel. Viewing all articles. First Page Page 19 Page 20 Page 21 Page 22 Page Last Page. Browse latest View live.
Note: Device writeback should be enabled if using conditional access. A Windows 10 version , Android or iOS client. To check that all required ports are open, please try our port check tool. The connector must have access to all on premises applications that you intend to publish. Install the Application Proxy Connector on an on-premises server. Verify the Application Proxy Connector status.
Configure constrained delegation for the App Proxy Connector server. Optional: Enable Token Broker for Windows 10 version clients. Work Folder Native —native apps running on devices, with no credentials, no strong identity of their own. Work Folder Proxy — Web Application that can have their own credentials, usually run on servers.
This is what allows us to expose the internal Work Folders in a secure way. If the user is validated, Azure AD creates a token and sends it to the user.
The user passes the token to Application Proxy. Application Proxy validates the token and retrieves the Username part of user principal name from it, and then sends the request, the Username from UPN, and the Service Principal Name SPN to the Connector through a dually authenticated secure channel.
Active Directory sends the Kerberos token for the application to the Connector. The Work Folders server sends the response to the Connector, which is then returned to the Application Proxy service and finally to the user.
Kerberos Survival Guide. I found this on the details page of the new test policy and it is marked as: I then open an administrative PowerShell to run my command in to see exactly what the settings look like in WMI. Topic 2: Purpose of the tool. Topic 3: Requirements of the tool. Topic 4: How to use the tool.
Topic 5: Limitations of the tool. Topic 7: References and recommendations for additional reading. The specific target gaps this tool is focused toward: A simple, easy to utilize tool which can be executed easily by junior staff up to principle staff. A means by which security staff can see and know the underlying code thereby establishing confidence in its intent. A lite weight utility which can be moved in the form of a text file.
An account with administrator rights on the target machine s. An established file share on the network which is accessible by both. Ok, now to the good stuff. If you have anything stored in that variable within the same run space as this script, buckle up.
Just FYI. The tool is going to validate that the path you provided is available on the network. However, if the local machine is unable to validate the path, it will give you the option to force the use of the path. Now, once we hit enter here, the tool is going to setup a PowerShell session with the target machine. In the background, there are a few functions its doing:.
Next, we must specify a drive letter to use for mounting the network share from Step 4. The tool, at present, can only target a single computer at a time. If you need to target multiple machines, you will need to run a separate instance for each. Multiple PowerShell Sessions.
I would recommend getting each instance to the point of executing the trace, and then do them all at the same time if you are attempting to coordinate a trace amongst several machines. Again, the tool is not meant to replace any other well-established application. Instead, this tool is meant only to fill a niche.
You will have to evaluate the best suitable option for your purposes. On November 27, , Azure Migrate, a free service, will be broadly available to all Azure customers. Azure Migrate can discover your on-premises VMware-based applications without requiring any changes to your VMware environment.
Integrate VMware workloads with Azure services. This valuable resource for IT and business leaders provides a comprehensive look at moving to the cloud, as well as specific guidance on topics like prioritizing app migration, working with stakeholders, and cloud architectural blueprints.
Download now. Azure Interactives Stay current with a constantly growing scope of Azure services and features. Windows Server Why use Storage Replica? Storage Replica offers new disaster recovery and preparedness capabilities in Windows Server Datacenter Edition.
For the first time, Windows Server offers the peace of mind of zero data loss, with the ability to synchronously protect data on different racks, floors, buildings, campuses, counties, and cities. After a disaster strikes, all data will exist elsewhere without any possibility of loss. The same applies before a disaster strikes; Storage Replica offers you the ability to switch workloads to safe locations prior to catastrophes when granted a few moments warning — again, with no data loss.
Move away from passwords, deploy Windows Hello. Security Stopping ransomware where it counts: Protecting your data with Controlled folder access Windows Defender Exploit Guard is a new set of host intrusion prevention capabilities included with Windows 10 Fall Creators Update. Defending against ransomware using system design Many of the risks associated with ransomware and worm malware can be alleviated through systems design.
Referring to our now codified list of vulnerabilities, we know that our solution must: Limit the number and value of potential targets that an infected machine can contact. Limit exposure of reusable credentials that grant administrative authorization to potential victim machines.
Prevent infected identities from damaging or destroying data. Limit unnecessary risk exposure to servers housing data. Securing Domain Controllers Against Attack Domain controllers provide the physical storage for the AD DS database, in addition to providing the services and data that allow enterprises to effectively manage their servers, workstations, users, and applications.
If privileged access to a domain controller is obtained by a malicious user, that user can modify, corrupt, or destroy the AD DS database and, by extension, all of the systems and accounts that are managed by Active Directory. Because domain controllers can read from and write to anything in the AD DS database, compromise of a domain controller means that your Active Directory forest can never be considered trustworthy again unless you are able to recover using a known good backup and to close the gaps that allowed the compromise in the process.
Cybersecurity Reference Strategies Video Explore recommended strategies from Microsoft, built based on lessons learned from protecting our customers, our hyper-scale cloud services, and our own IT environment.
Get the details on important trends, critical success criteria, best approaches, and technical capabilities to make these strategies real. How Microsoft protects against identity compromise Video Identity sits at the very center of the enterprise threat detection ecosystem. Proper identity and access management is critical to protecting an organization, especially in the midst of a digital transformation.
This part three of the six-part Securing our Enterprise series where Chief Information Security Officer, Bret Arsenault shares how he and his team are managing identity compromise. November security update release Microsoft on November 14, , released security updates to provide additional protections against malicious attackers. All Admin capabilities are available in the new Azure portal.
Microsoft Premier Support News Application whitelisting is a powerful defense against malware, including ransomware, and has been widely advocated by security experts. Users are often tricked into running malicious content which allows adversaries to infiltrate their network.
The Onboarding Accelerator — Implementation of Application Whitelisting consists of 3 structured phases that will help customers identify locations which are susceptible to malware and implement AppLocker whitelisting policies customized to their environment, increasing their protection against such attacks.
The answer to the question? It depends. You can also use certificates with no Enhanced Key Usage extension. Referring to the methods mentioned in The following information is from this TechNet Article : "In Windows and Windows R2, you connect to the farm name , which as per DNS round robin, gets first directed to the redirector, then to the connection broker, and finally to the server that hosts your session.
Click Remote Desktop Services in the left navigation pane. In the Configure the deployment window, click Certificates. Click Select existing certificates, and then browse to the location where you have a saved certificate generally it's a. Import the certificate. Cryptographic Protocols A cryptographic protocol is leveraged for security data transport and describes how the algorithms should be used.
TLS has 3 specifications: 1. This is accomplished leveraging the keys created during the handshake. The TLS Handshake Protocol is responsible for the Cipher Suite negotiation between peers, authentication of the server and optionally the client, and the key exchange. SSL also came in 3 varieties: 1. SSL 1. SSL 2. In SSL 3. Well, that was exhausting! Key Exchanges Just like the name implies, this is the exchange of the keys used in our encrypted communication. Ciphers Ciphers have existed for thousands of years.
The denotation of bit, bit, etc. Hashing Algorithms Hashing Algorithms, are fixed sized blocks representing data of arbitrary size. Putting this all together Now that everything is explained; what does this mean? This eBook was written by developers for developers. It is specifically meant to give you the fundamental knowledge of what Azure is all about, what it offers you and your organization, and how to take advantage of it all.
Azure Backup now supports BEK encrypted Azure virtual machines Azure Backup stands firm on the promise of simplicity, security, and reliability by giving customers a smooth and dependable experience across scenarios. Continuing on the enterprise data-protection promise, we are excited to announce the support for backup and restore of Azure virtual machines encrypted using Bitlocker Encryption Key BEK for managed or unmanaged disks.
VMware virtualization on Azure is a bare metal solution that runs the full VMware stack on Azure co-located with other Azure services. Windows Client New Remote Desktop app for macOS available in the App Store Download the next generation application in the App Store today to enjoy the new UI design, improvements in the look and feel of managing your connections, and new functionalities available in a remote session.
Detonating a bad rabbit: Windows Defender Antivirus and layered machine learning defenses Windows Defender Antivirus uses a layered approach to protection: tiers of advanced automation and machine learning models evaluate files in order to reach a verdict on suspected malware. How Azure Security Center detects vulnerabilities using administrative tools Backdoor user accounts are those accounts that are created by an adversary as part of the attack, to be used later in order to gain access to other resources in the network, open new entry points into the network as well as achieve persistency.
Vulnerabilities and Updates December security update release On December 12 we released security updates to provide additional protections against malicious attackers.
By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. It is a proactive, discreet service that involves a global team of highly specialized resources providing remote analysis for a fixed-fee. This service is, in effect, a proactive approach to identifying emergencies before they occur. And, now that the celebrations are mostly over, I wanted to pick all your brains to learn what you would like to see from us this year… As you all know, on AskPFEPlat, we post content based on various topics in the realms of the core operating system, security, Active Directory, System Center, Azure, and many services, functions, communications, and protocols that sit in between.
Building the Runbook Now that the Automation Accounts have been created and modules have been updated we can start building our runbook. Conclusion I have also attached the startup script that was mentioned earlier in the article for your convenience. First a little backstory on Shielded VMs and why you would want to use them. Windows Server with the latest cumulative update as the host. I used the E drive on my system. Once you have extracted each of the files from GitHub you should have a folder that is like the screenshot below By default these files should be marked as blocked and prevent the scripts from running, to unblock the files we will need to unblock them.
We need to create a few more folders and add in some additional items. Inside the Files folder it should look like the screenshot below. The ADK folder should be like this. I know it seems like a lot, but now that we have all the necessary components we can go through the setup to create the VMs Select the SetupLab. You may get prompted to trust the NuGet repository to be able to download the modules — Type Y and hit enter It will then display the current working directory and pop up a window to select the configuration to build.
Periodically during this time you will see message such as the below indicating the status Once all resources are in the desired state the next set of VMs will be created. When complete you should have the 3 VMs as shown below. Matthew Walker, PFE. Save money by making sure VMs are off when not being used. Mesh and hub-and-spoke networks on Azure PDF Virtual network peering gives Azure customers a way to provide managed access to Azure for multiple lines of business LOB or to merge teams from different companies.
Written by Lamia Youseff and Nanette Ray from the Azure Customer Advisory Team AzureCAT , this white paper covers the two main network topologies used by Azure customers: mesh networks and hub-and-spoke networks, and shows how enterprises work with, or around, the default maximum number of peering links.
Windows Server PowerShell Core 6. How to Switch a Failover Cluster to a New Domain For the last two decades, changing the domain membership of a Failover Cluster has always required that the cluster be destroyed and re-created. This caused some confusion as people stated they have already been running shielded VMs on client. This blog post is intended to clarify things and explain how to run them side by side.
Security ATA readiness roadmap Advanced Threat Analytics ATA is an on-premises platform that helps protect your enterprise from multiple types of advanced targeted cyber attacks and insider threats. This document provides you a readiness roadmap that will assist you to get started with Advanced Threat Analytics. If ransomware does get a hold of your data, you can pay a large amount of money hoping that you will get your data back.
The alternative is to not pay anything and begin your recovery process. Whether you pay the ransom or not, your enterprise loses time and resources dealing with the aftermath. Microsoft invests in several ways to help you mitigate the effects of ransomware. A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in The year saw three global ransomware outbreaks driven by multiple propagation and infection techniques that are not necessarily new but not typically observed in ransomware.
At that time, we used to call these kinds of threat actors not hackers but con men. The people committing these crimes are doing them from hundreds of miles away. The ability to run shielded VMs on client was introduced in the Windows 10 release. There are many security considerations built in to shielded VMs, from secure provisioning to protecting data at rest.
As part of the PAW solution, the privileged access workload gains additional security protections by running inside a shielded VM. Vulnerabilities and Updates Understanding the performance impact of Spectre and Meltdown mitigations on Windows Systems At the begging of January the technology industry and many of our customers learned of new vulnerabilities in the hardware chips that power phones, PCs and servers.
We and others in the industry had learned of this vulnerability under nondisclosure agreement several months ago and immediately began developing engineering mitigations and updating our cloud infrastructure.
Windows Server guidance to protect against speculative execution side-channel vulnerabilities This guidance will help you identify, mitigate, and remedy Windows Server environments that are affected by the vulnerabilities that are identified in Microsoft Security Advisory ADV The advisory also explains how to enable the update for your systems.
Guidance for mitigating speculative execution side-channel vulnerabilities in Azure The recent disclosure of a new class of CPU vulnerabilities known as speculative execution side-channel attacks has resulted in questions from customers seeking more clarity. The infrastructure that runs Azure and isolates customer workloads from each other is protected.
This means that other customers running on Azure cannot attack your application using these vulnerabilities. It creates a SAML token based on the claims provided by the client and might add its own claims.
COM is a software vendor offering SaaS solutions in the cloud. Authorizing the claims requester. But those above are the only information you will get from ADFS when Signing or Encryption certificate are change from the partner.
Why worry about Crashdump settings in Windows? For reference, here are the types of memory dump files that can be configured in Recovery options: Small mini dump.
Kernel dump. Automatic memory dump. Active dump. Complete memory dump. Root cause analysis of unusual OS conditions often require a memory dump file for debugging analysis.
In some cases user-mode memory will be needed as well as kernel-mode. On large memory servers, there are two choices:. Attack Surface Reduction can be achieved by disabling support for insecure legacy protocols. Now, in the event that something was missed and you need to back out changes you have 2 options: Leave the policy enabled, and remove the checkbox from the components Disable the policy setting Both of these options will re-enable the components the next time group policy processes on the system.
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