Microsoft has warned about a Windows authentication change next month, and if admins don't act in time, logins in some environments could suddenly start failing.

A fix introduced into Windows last month to close a weakness in Kerberos authentication is causing logon failures for some Windows Hello for Business (WHfB) users, Microsoft has warned. In theory, the ...

My 5-step security checklist for every new Windows PC ...

Windows 11 Pro combines useful built-in security with AI tools to protect your data and streamline how you work every day.

Microsoft says the October 2025 Windows security updates are causing smart card authentication and certificate issues due to a change designed to strengthen the Windows Cryptographic Services. This ...

Microsoft has fixed a known issue causing authentication problems on Windows Server domain controllers after installing the April 2025 security updates. Platforms affected by these problems include ...

Microsoft has confirmed that the March KB5079473 update breaks Microsoft account sign-ins in Teams, OneDrive, Edge, and other ...

Microsoft is priming Windows 11 for a more passwordless future. The company plans to roll out new passkey-focused features to Windows Insider testers in the coming months, it said in a blog post last ...

Microsoft Improves Windows Security with a Path to Move Off NTLM Your email has been sent It’s time to stop relying on the insecure authentication protocol built into Windows. Microsoft is making it ...

­Microsoft's Windows Hello for Business (WHfB) default phishing-resistant authentication model recently was found susceptible to downgrade attacks, allowing threat actors to crack into even ...