Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

ZDNET's key takeaways Microsoft Defender will continue to work in Windows 10.Defender will receive regular security updates until October 2028.Microsoft still recommends Windows 11 for new security ...

A Microsoft Defender SmartScreen vulnerability patched in November has found fresh active exploitation in a Phemedrone information-stealing malware campaign, according to cybersecurity research and ...

Microsoft says the25 Windows security updates are causing smart card authentication and certificate issues due to a change designed to strengthen the Windows Cryptographic Services.

Microsoft has resolved an issue that breaks multiple Microsoft 365 Defender features using the network data reporting service after installing July's Windows Server updates. The Microsoft 365 Defender ...