If you have received an error message saying, "Microsoft Defender SmartScreen prevented an unrecognized app from starting," while launching or installing a recently ...

As businesses increasingly rely on cloud services for their daily operations, it's paramount for them to ensure the security and compliance of these applications. Enterprises have many cloud security ...

For most people using a supported and fully updated Windows 11 computer, yes: Microsoft Defender Antivirus and the other protections inside Windows Security are sufficient as the primary antivirus.