Troubleshoot problems with Microsoft Authenticator
You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.
Control a website’s access to the local network in Microsoft Edge
The Local Network Access feature in Microsoft Edge lets you grant or deny websites' access to your local network. A local network is a network that uses a private IP address space. Enterprise administrators can also configure Local Network Access policies to manage website access to enterprise devices. What is Local Network Access? Local Network Access is a security feature that restricts a ...
Securely browse the web in Microsoft Edge
Securely browse the web in Microsoft Edge With online threats getting more advanced day by day, it is important to prioritize the safety of your web browsing. Microsoft Edge offers several features and practices that can enhance your online security and protect your personal information. Follow these guidelines to browse the web securely in Microsoft Edge. Verify the connection icon in the ...
在 Microsoft Edge 中控制网站对本地网络的访问权限
Microsoft Edge 中的本地网络访问功能允许你授予或拒绝网站对本地网络的访问权限。 本地网络是使用专用 IP 地址空间的网络。 企业管理员还可以配置本地网络访问策略,以管理对企业设备的网站访问。 什么是本地网络访问? 本地网络访问是一项安全功能,可限制网站向本地网络上的服务器发送请求 ...
Fix NDR error "550 5.7.515" in Outlook.com - Microsoft Support
Learn how to fix email issues for error code 5.7.515 when sending email to Outlook.com (the sending domain does not meet the required authentication level).
Applies To:
Outlook.com
Protections for CVE-2025-26647 (Kerberos Authentication)
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 ...
KB5005413: Mitigating NTLM Relay Attacks on Active Directory ...
KB5005413: Mitigating NTLM Relay Attacks on Active Directory Certificate Services (AD CS)
Phishing and suspicious behavior in Outlook - Microsoft Support
A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...
Applies To:
Outlook 2024, Outlook 2024 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook on the web, Outlook.com, New Outlook for Windows
排查Microsoft验证码问题 | Microsoft Support
我没有收到Microsoft帐户验证码 检查正确的邮箱:通过电子邮件发送的验证码只能发送到主要别名或你添加的另 一封电子邮件,以验证登录。 你可能会因异常活动而被阻止。 Microsoft通过评估每次登录、注册或客户互动的可信度和可信度来保护你、你的帐户和我们的服务。 如果你的操作触发了警报或 ...
Applies To:
Microsoft365.com, Microsoft 365 admin, Microsoft 365 Apps for business, Microsoft account dashboard, Microsoft Teams small business
How to report a concern or contact Bing | Microsoft Support
How to report a concern or contact Bing If you have a concern about particular URLs or other information contained in search results, you may report these to Microsoft Bing. Reporting a concern will not necessarily result in removal of a URL from search results. Bing limits removal of search results to a narrow set of circumstances and conditions to avoid restricting Bing users' access to ...