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Download and install the Microsoft Authenticator app
Set up the Authenticator app. After you install the Authenticator app, follow the steps below to add your account: Open the Authenticator app. Select (+) in the upper right corner. Point your camera at the QR code or follow the instructions provided in your account settings. After your account appears in your Authenticator app, you can use the ...
KB5008380—Authentication updates (CVE-2021-42287)
After installing CVE-2021-42287 protections in Windows updates released between November 9, 2021 and June 14, 2022, the following registry key will be available: 1: Add the new PAC to users who authenticated using an Active Directory domain controller that has the November 9, 2021 or later updates installed.
Finding your BitLocker recovery key in Windows
Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:
Check your network connection status - Microsoft Support
Check your network connection status. Windows 11 lets you quickly check your network connection status. Select the Start button, then type settings. Select Settings > Network & internet. The status of your network connection will appear at the top.
KB5004442—Manage changes for Windows DCOM Server Security Feature ...
Summary. The Distributed Component Object Model (DCOM) Remote Protocol is a protocol for exposing application objects using remote procedure calls (RPCs).DCOM is used for communication between the software components of networked devices. Hardening changes in DCOM were required for CVE-2021-26414.Therefore, we recommended that you verify if client or server applications in your environment ...
What is: Multifactor Authentication - Microsoft Support
What is: Multifactor Authentication. Security. When you sign into your online accounts - a process we call "authentication" - you're proving to the service that you are who you say you are. Traditionally that's been done with a username and a password. Unfortunately, that's not a very good way to do it. Usernames are often easy to discover ...
Connect to a VPN in Windows - Microsoft Support
Select the Start button, then type settings. Select Settings > Network & internet > VPN > Add VPN. In Add a VPN connection, do the following: For VPN provider, choose Windows (built-in). In the Connection name box, enter a name you'll recognize (for example, My Personal VPN). This is the VPN connection name you'll look for when connecting.
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
在Microsoft帐户中: 在另一台设备上打开 Web 浏览器并 登录到Microsoft帐户 以查找恢复密钥。. 这是最有可能查找恢复密钥的位置。. 提示: 你可以在任何可访问 Internet 的设备(如智能手机)上登录到Microsoft帐户。. 可以使用上面的链接,也可以直接转到 https://account ...
打开设备加密 - Microsoft 支持
在任务栏上的搜索框中,键入“管理 BitLocker”,然后从结果列表中选择它。或者,你可以选择“开始” 按钮,然后在“Windows 系统”下选择“控制面板”。 在“控制面板”中选择“系统和安全”,然后在“BitLocker 驱动器加密”下选择“管理 BitLocker”。 注意:仅当设备配备 BitLocker 时才会显示此选项。
使用系统文件检查器工具修复丢失或损坏的系统文件 - Microsoft 支持
在命令提示符处,键入以下命令,然后按 Enter 键:. sfc /scannow. sfc /scannow 命令将扫描所有受保护的系统文件,并用位于 %WinDir% \System32\dllcache 的压缩文件夹中的缓存副本替换损坏的文件。. %WinDir% 占位符代表 Windows 操作系统文件夹。. 例如:C:\Windows。. 注意 在验证 ...