US bank regulator tells Congress it suffered 'major' hack that exposed sensitive information

The Office of the Comptroller of the Currency, which regulates and supervises nationalist banks, connected Tuesday said it notified Congress of a February hack that it called a "major accusation information incident."

The breach was archetypal disclosed successful February erstwhile it learned of "unusual interactions betwixt a strategy administrative relationship successful its bureau automation situation and OCC idiosyncratic mailboxes," an OCC quality merchandise states. 

According to Bloomberg, the hackers had entree to much than 150,000 emails aft breaching the strategy successful June 2023.

"The confidentiality and integrity of the OCC’s accusation information systems are paramount to fulfilling its mission," said Acting Comptroller of the Currency Rodney Hood.

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The Office of the Comptroller of the Currency successful Washington, D.C. (Getty Images)

The OCC archetypal learned of the incidental connected Feb. 11. Compromised administrative accounts were unopen disconnected the adjacent day.

"The OCC discovered that the unauthorized entree to a fig of its executives’ and employees’ emails included highly delicate accusation relating to the fiscal information of federally regulated fiscal institutions utilized successful its examinations and supervisory oversight processes," the bureau said.

The OCC said it has reached retired to third-party cybersecurity experts to behaviour a reappraisal of IT information protocols to forestall aboriginal attacks. 

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"I person taken contiguous steps to find the afloat grade of the breach and to remedy the long-held organizational and structural deficiencies that contributed to this incident," Hood said. "There volition beryllium afloat accountability for the vulnerabilities identified and immoderate missed interior findings that led to the unauthorized access."

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Throughout its review, the OCC has coordinated with the Treasury Department to stock accusation astir its findings.