Hackers Had Access to 150,000 Emails in U.S. Treasury Email Breach

Summary: The U.S. Treasury Department’s Office of the Comptroller of the Currency (OCC) has reported a severe information security breach resulting in unauthorized access to approximately 150,000 department emails, including sensitive financial data. The breach, initially deemed “limited,” involved the infiltration of accounts belonging to about 100 bank regulators from June 2023 until its discovery earlier this year. Investigations are ongoing, indicating that this incident reflects a broader trend of cyber threats, potentially linked to foreign actors.

Affected: U.S. Treasury Department’s Office of the Comptroller of the Currency (OCC)

Keypoints :

• Unauthorized access involved around 150,000 emails and 100 bank regulators’ accounts.
• The breach’s severity escalated from an initial “limited” incident to a classified major incident.
• Investigations revealed that sensitive financial information related to federally regulated institutions was compromised.
• The breach follows a pattern of attacks linked to foreign entities, notably attributed to China-related hackers.