Use an authenticator app Avoid changing all security info at once. Set reminders to regularly review all your security info and make sure it's still valid. Make sure there's more than one security option on your account. If a phone number is one of your security options, make sure the number is still valid and this number can receive text messages.

深入了解 Xbox 網路上可能發生與帳戶相關的違規。

什么是安全启动？ 安全启动是统一可扩展固件接口中的一项安全功能， (基于 UEFI) 的固件，可帮助确保只有受信任的软件在设备的启动 (启动) 序列中运行。 它的工作原理是针对存储在设备固件中的一组受信任的数字证书 (（也称为证书颁发机构或 CA) ）验证预启动软件的数字签名。 作为行业标准 ...

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

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 ...

In this article Summary Take Action altSecID attributes Timeline of changes Registry Settings Audit Events Event ID: 45 Event ID: 21 Known issue Summary The Windows security updates released on or after April 8, 2025, contain protections for a vulnerability with Kerberos authentication. This update provides a change in behavior when the issuing authority of the certificate used for a security ...

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

Learn how. Download and install Authenticator. Get the app Sign in to each of your accounts to complete the restore. What account information is restored in Authenticator? Microsoft personal accounts If the account only uses a one-time password code which refreshes every 30 seconds. The password codes will available once restored.

This feature works by checking apps against a list of known, trusted apps and blocking unauthorized or unsafe apps from accessing or changing files in protected folders.

In Microsoft 365 and Office 2024, the settings for ActiveX controls have changed to be disabled by default. When ActiveX controls are disabled, you will not be able to create new ActiveX objects or interact with existing ones. This change applies to Word, Excel, PowerPoint, and Visio. What should I do if I encounter this ActiveX message when opening a file? Were you expecting to receive a file ...