Every public data breach

47 disclosed this week · 26,367 on record

Congressional Budget Office

Disclosed Nov 6, 2025Unverified

Foreign hackers breach Congressional Budget Office

The CBO confirmed a security incident after The Washington Post reported foreign hackers breached it; officials were concerned internal emails, chat logs and communications with lawmakers' offices were accessed.

What is known

People affectedNot stated in the sources we have
DisclosedNov 6, 2025
AttackHacking
Data exposedMessagesInternal documents
SectorGovernment · US
StatusUnverified: not yet confirmed by an official notice, a filing or the organization

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby seedSource

First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.

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