Windows admins should expect another Kerberos hardening wave in April 2026, and this one is likely to be felt most acutely in environments that still depend on legacy encryption assumptions. Microsoft is moving Windows domain controllers away from quietly falling back to RC4 when an Active...
Windows is heading into another important authentication hardening cycle, and this one could have real-world consequences for organizations that still rely on older Kerberos defaults. Microsoft has confirmed that April 2026 Windows updates will move domain controllers into an enforcement phase...