NTLMv1 Credentials Are Blocked by Default Since the October 2026 Update: Audit First, Then Fix the Cause Since the October 13, 2026 update, Windows Server 2025 and Windows 11 24H2 or newer block NTLMv1-derived credentials by default. A read-only check script, events 4024 and 4025, real lab output and a safe rollout order. Oct 21, 2026 7 min read Active Directory
Is SMBv1 or NTLMv1 Still Enabled on Your Windows Servers? Check in 60 Seconds SMBv1 and NTLMv1 are both legacy and both still actively exploited. Real PowerShell output shows exactly how to check and harden both on your Windows servers. Oct 8, 2026 3 min read Security
