Hackers Hit Microsoft 365 With 81 Million Login Attempts, Exploiting Azure CLI MFA Loophole

Hackers launched 81 million login attempts against Microsoft 365, exploiting Azure CLI and MFA configuration gaps to ...

Hackers target Microsoft 365 accounts with 81 million login attempts

An aggressive password-spraying campaign targeting Microsoft 365 environments generated more than 81 million login attempts over a two-week period.
GovInfoSecurity

Azure Password-Spraying Attack Bypasses MFA Defenses

Attackers behind a password-spraying campaign targeting Microsoft Office 365 accounts have amassed dozens of victims by abusing a deprecated feature in OAuth 2.0 to ...