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Long-Term Email Breach at OCC Exposes Sensitive Bank Oversight Data (Incident)

ID: aac1c9c4-bad0-52fb-8c9f-46904a3ddc6d

STIX ID: report--aac1c9c4-bad0-52fb-8c9f-46904a3ddc6d

Feed Name: Wiz Cloud Threat Landscape

Threat Score
85/100

Date Published: 2025-04-08

Date Updated: 2026-05-01

Author: [email protected] (Wiz Threat Research)

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Hackers infiltrated the Office of the Comptroller of the Currency and monitored roughly 103 bank regulators' email accounts for over a year, accessing an estimated 150,000 sensitive messages including confidential assessments of regulated institutions; Microsoft flagged unusual behavior, prompting detection and notifications to Congress and CISA, and observers note parallels to state-sponsored espionage.

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