KB5005413: Mitigating NTLM Relay Attacks on Active Directory Certificate Services (AD CS)

Choose your alternative verification method, and continue with the two-step verification process. After you're back in your account, you can update your verification methods (if necessary). For more info about add or changing your methods, see the Manage your settings for two-step verification article. Next steps Learn about your security info in the Security info (preview) overview article ...

Using Authenticator as a way to sign in If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

If hardware was changed on a Windows device in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.

The Office @mention feature makes it much easier for you to connect with colleagues and needed resources as you collaborate on creating documents, presentations and spreadsheets.

Learn how to organize and find content easily in Microsoft Teams using tags. This article shows you how to create, apply, and search for tags in Teams. Improve your productivity and collaboration with this useful feature.

Learn more about the advanced security features for Outlook.com that come with an Office 365 Home or Office 365 Personal subscription.