MEDIUMVulnerability
Global

Hackers target Microsoft 365 accounts with 81 million login attempts

·Source: BleepingComputer

Updated:

Executive Summary

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

Analysis

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

Originally published by BleepingComputer on Jul 1, 2026.

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