Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your "issue" fixed, it's better to be safe and not click any links or provide any personal information.

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

了解如何关闭双重验证。 双重验证是一项可选的安全功能，通过使用两种形式的身份，即密码和联系方式（也称为安全信息），这样别人更难进入您的 Microsoft 帐户。

为了帮助你更好地了解我们的流程，我们提供了每种强制措施类型的详细信息以及这些措施对你的 Xbox 档案或设备的影响。

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

保护您的帐户 若要使你的帐户更安全，请参阅： 如何帮助保持你的 Microsoft 帐户安全可靠

Microsoft Authenticator FAQs Caution A common trick of attackers is to contact you via text or phone pretending to be your bank, IT support, or other service provider and saying they need you to read them the code from your Authenticator to verify your identity on the call. Don't give them the code - they're trying to break into your account and are stuck at the verification prompt. No real ...

删除单独的电话号码或电子邮件地址 在 Web 浏览器中，登录您的 Microsoft 帐户： Microsoft 帐户 在“帐户”屏幕上，转到“安全 ”部分，然后选择“更新”。 我们将通过短信或电子邮件发送一个安全代码，以确保你是帐户所有者。按照说明输入该代码。 在“高级安全性选项”部分中，选择“入门 ...

Note This content can help you with your work or school account. If you're having problems verification codes on a personal Microsoft account, see Troubleshooting verification code issues.

更新 Microsoft 帐户的安全信息 注意 如果在最近 30 天内您已经删除并且替换了您的安全信息，则必须等待这个 30 天的时段过去，然后才能再次执行删除和替换操作。如果攻击者获取了您的密码，那么这个等待期有助于保护您的帐户。