Learn how to protect your PC, identity, and data from tech support scams.

Xbox Support ... Xbox Support

Find out how to submit a request for a refund for a purchase of digital Xbox content.

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 passwords -- on websites that pretend to be legitimate. Cybercriminals typically pretend to be reputable companies, friends, or acquaintances in a fake message, which contains a link to a phishing ...

Learn how to identify and open encrypted and protected emails no matter what email client you're using.

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.

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching for Microsoft Defender in your app store Sharing with your devices, the following link: Copy link We encourage you to install Microsoft Defender on at least five devices per person. Ready to give it ...

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

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

如果你怀疑你的设备可能有恶意软件，你应该Microsoft Defender运行扫描。 下面介绍如何在 Windows、Mac 或 Android 上执行此操作。