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 an alert. We …

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

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.

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 fake emails …

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.

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 when you use …

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

Find solutions for Xbox account and profile issues, manage settings, and get support for your Xbox experience.

In early 2024, National Public Data, an online background check and fraud prevention service, experienced a significant data breach. This breach allegedly exposed up to 2.9 billion records with …

We know that having your account blocked is frustrating, but we also want to protect you from fraud or abuse. To unblock your account, select the button to begin: Sign-in Helper. Note: If either your …

Microsoft Defender is free anti-malware software included with Windows if you have a Microsoft 365 Personal, Family, or Premium subscription. It's kept updated automatically through Windows Update. …