Malwarebytes says it was hacked by bunch that penetrated SolarWinds, by means of Purplish blue and Office 365 endeavors, however assailants just got to a subset of interior messages (Catalin Cimpanu/ZDNet)

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Malwarebytes says it was hacked by group that breached SolarWinds, via Azure and Office 365 exploits, but attackers only accessed a subset of internal emails  —  Malwarebytes becomes fourth major security firm targeted by attackers after Microsoft, FireEye, and CrowdStrike.