The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Web protection is currently available on Windows, iOS, and Android. It does this by checking links you click on, or that an app tries to open on your device and comparing them against our constantly updated list of sites known to be dangerous.

Your security info is updated to use the Microsoft Authenticator app by default to verify your identity when using two-step verification or password reset. On the Phone set up page, choose whether you want to receive a text message or a phone call, and then select Next.

For seamless single sign-on (SSO) across Microsoft native apps, you can sign in to Authenticator to create a passkey. This is the recommended way to setup a passkey in Authenticator. You need to complete these steps even if you're signed in, or you already have an account in Authenticator.

Get started with Microsoft Defender for malware, web protection, and other security tips. Get support, help, and learning resources for Microsoft 365. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

If you plan to exchange digitally-signed documents together with other people, and you want the recipients of your documents to be able to verify the authenticity of your digital signature, you can obtain a digital certificate from a reputable third-party certificate authority (CA).

Use the Information Protection viewer to view protected files in Windows, Android, iOS, or Edge.

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.