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 you think your Microsoft account has been hacked, find out how to secure your account and check for unauthorized activity.

Get started with Microsoft Defender identity theft monitoring. Criminals are constantly trying to trick you into revealing your personal information. Learn to spot scams. Attackers will send you …

Keeping your computer secure helps you avoid malware and direct hacking attempts designed to steal your personal information. Here are some ways you can help reduce your online risk …

Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.

Microsoft security help and learning. If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Find answers to FAQs about denial of service (DoS) and distributed denial of service (DDoS) attacks when you're using the Xbox network on your Xbox console.

Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

Use an anti-malware app - Installing an anti-malware app and keeping it up to date can help defend your PC against viruses and other malware (malicious software). Microsoft Defender is …

Phishing (pronounced: fishing) is an attack that attempts to steal your money, or your identity, by getting you to reveal personal information -- such as credit card numbers, bank information, or …

Learn what to do if your username and password have stopped working. If you sign in to your account while traveling or if you install a new app that signs in with your account, you may get …