Some macOS 15.5 Mail users are dealing with authentication issues when using the app with Microsoft or Google accounts. It's not yet clear why. Issues with Apple Software are an occasional problem for ...

Microsoft is investigating an ongoing incident that is causing users to experience errors with some Microsoft 365 authentication features. As the company revealed earlier today in an incident alert ...

Sometimes, a simple typing mistake in the card information can trigger a 3D Secure authentication failure. Re-enter the card number carefully, and double-check the expiry date and CVV. If the card is ...

A critical zero-day vulnerability in Windows servers running the Kerberos authentication system, first disclosed in May, has now been patched by Microsoft, but must be given high priority by admins ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about cybersecurity, surveillance and privacy. Microsoft’s mandatory security update this month has been ...