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- Security guidance for NTLMv1 and LM network authentication
We strongly encourage customers to evaluate their environments and update network authentication settings All supported Microsoft operating systems provide NTLMv2 authentication capabilities
- Modern Authentication Methods now needed to continue syncing Outlook . . .
Outlook supports Modern Authentication in all current Microsoft 365 subscription SKUs and Outlook 2021 LTSC (any SKU with build 11601 10000 or higher) when connecting directly as Outlook com
- Protections for CVE-2025-26647 (Kerberos Authentication)
When in Enforcement mode, if the domain controller receives a Kerberos authentication request with an unsafe certificate, it will log legacy Event ID: 21 and deny the request To turn on the protections offered by this update, follow these steps:
- 2-Step Authentication - Microsoft Support
To enable 2-step authentication verification: Go to the Outlook com website and log in Select the gear icon Go to Options > Account details (top of the list) You may be asked to sign in After the account live com page has opened, select Security Privacy, go to More Security Settings, scroll down and select Set up two-step verification
- Changes to Microsoft Authenticator autofill
Autofill in Microsoft Authenticator has been a way to securely store and autofill passwords on apps and websites you visit on your phone Microsoft is streamlining autofill so you can use saved passwords easily across devices As part of these updates, autofill in Microsoft Authenticator will be discontinued from July 2025 When are the autofill changes happening? Starting June 2025, you will
- Contact - Microsoft Support
Your Privacy ChoicesConsumer Health PrivacySitemap
- Microsoft account recovery code - Microsoft Support
A Microsoft account recovery code is a 25-digit code used to help you regain access to your account if you forget your password or if your account is compromised How to get a Microsoft account recovery code Go to the Manage how I sign in page of your Microsoft account Security dashboard by selecting the button below Manage how I sign in Scroll down to the Recovery code section and select
- KB5014754: Certificate-based authentication changes on Windows domain . . .
This registry key allows successful authentication when you are using weak certificate mappings in your environment and the certificate time is before the user creation time within a set range
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