A new report out today from unified identity security company Silverfort Inc. details a previously undisclosed denial-of-service vulnerability in Microsoft Corp.’s Netlogon protocol that could allow ...

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 ...

Microsoft says SMB signing (aka security signatures) will be required by default for all connections to defend against NTLM relay attacks, starting with today's Windows build (Enterprise edition) ...

Microsoft has fixed a known issue causing authentication problems when Credential Guard is enabled on systems using the Kerberos PKINIT pre-auth security protocol. According to Redmond, these ...