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 ...

Security researchers have devised a way to block the recently disclosed PetitPotam attack vector that allows hackers to take control of a Windows domain controller easily. An new version of the ...

I'm exploring replacing a NT4 server which is the domain controller and file server for a small network of 6 client machines. However, I've never used samba before, or anything else to do it.<BR>The ...

IT administrators are being urged to prioritize installing a security patch for Windows Server that Microsoft issued in August to close a vulnerability in Active Directory. Dubbed Zerologon, if ...

Microsoft’s May Patch Tuesday update is triggering authentication errors. Microsoft is alerting customers that its May Patch Tuesday update is causing authentications errors and failures tied to ...

I have my DHCP server (on Sonicwall) configured to give out the domain controller/DNS server ip as primary DNS, for secondary DNS I have set to give out 1.1.1.1, for tertiary 8.8.4.4 Does this comply ...

Microsoft has acknowledged a newly-discovered version of an attack on a long-vulnerable Windows single sign-on protocol called NTLM — short for New Technology LAN Manager — that is still used in the ...

Microsoft squashed 74 security vulnerabilities with its May 2022 Patch Tuesday update, including an important-rated zero-day bug that's being actively exploited in the wild and several that are likely ...

The US Cybersecurity and Infrastructure Security Agency (CISA) has taken the unusual step of removing a bug from its catalog of vulnerabilities that are known to be exploited, and which federal ...

IT administrators are being urged to prioritize installing a security patch for Windows Server that Microsoft issued in August to close a vulnerability in Active Directory. Dubbed Zerologon, if ...