US Comptroller Cyber 'Incident' Compromises Org's Emails

The OCC disclosed a major incident after discovering unauthorized access to a system administrative email account that exposed emails from roughly 100 senior officials and an estimated 150,000 messages dating to June 2023; investigators disabled the compromised account, are reviewing the contents, and are coordinating with Treasury, CISA, and third parties while exploring possible links to the earlier Treasury Department breach and nation-state actors.