Installing this month's Windows Server security update has knocked some enterprise domain controllers into continuous reboot cycles.

Microsoft says that Windows domain join processes may fail with "0xaac (2732)" errors after applying this month's security updates. Browser-based attacks, from AITM phishing and ClickFix to malicious ...

Many companies rely on Microsoft products, including Windows, Active Directory, ADFS, OWA, and RDP, in their business processes. That's why the importance of two-factor authentication (2FA or MFA) for ...

Microsoft is investigating LSASS memory leaks (caused by Windows Server updates released during the November Patch Tuesday) that might lead to freezes and restarts on some domain controllers. LSASS ...

Microsoft is urging customers to patch two Active Directory domain controller bugs after a PoC tool was publicly released on Dec. 12. A proof-of-concept tool has been published that leverages two ...

SafeBreach researchers demonstrate how attackers can crash Windows domain controllers and build a botnet using unauthenticated RPC and LDAP vulnerabilities. At DEF CON 33, security researchers ...