Microsoft Windows Active Directory Certificate Services (AD CS) by default can be used as a target for NTLM relay attacks, which can allow a domain-joined computer to take over the entire Active ...

Microsoft has released an out-of-band patch to fix authentication failures on Windows after installing the May 10, 2022 security update on Windows Server domain controllers. "An issue has been found ...

On September 28 and September 29 this week, a number of Microsoft customers worldwide were impacted by a cascading series of problems resulting in many being unable to access their Microsoft apps and ...

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 ...

Microsoft warns of credential-stealing NTLM relay attacks against Windows domain controllers Your email has been sent Microsoft is sounding an alert about a threat against Windows domain controllers ...

Organizations that have implemented the "Log in with Microsoft" feature in their Microsoft Azure Active Directory environments could potentially be vulnerable to an authentication bypass that opens ...

Securing Microsoft Active Directory (AD) involves dealing with a mixed bag of risks, ranging from misconfigurations to unpatched vulnerabilities. That's why many current cyber-attacks involve a breach ...

An ancient network authentication protocol has received its first death notice. The protocol, which has roots going back to the first local area network days of the 1980s, is called Microsoft NTLM, ...

I'm trying to set up an AD LDS instance on a non-AD bound Server 2012 box to do some testing with an existing web application that connects to LDAP using the DOMAIN\sAMAccountName style of ...