Microsoft recommends enabling multi-factor authentication for Office 365. To do so, you must also disable basic or legacy authentication on Microsoft Exchange Server. Microsoft recently announced that ...

Back in 2022, Microsoft announced the retirement of Basic Authentication as it was moving to modern OAuth 2.0 token-based authentication. The reason was simple, to move away from such simple ...

A botnet of more than 130,000 compromised devices is conducting a large-scale password-spray cyberattack, targeting Microsoft 365 accounts through a basic authentication feature. The attacks have been ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, Feb. 27, 2025: This story, originally published Feb.