US Law Enforcement Data Breach History
WebsiteUS law enforcement encompasses federal, state, and local agencies enforcing laws.
This page shows all data breaches of US Law Enforcement. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All US Law Enforcement Breaches
- 2011 2011 — US Law Enforcement: Data breach reported, 130K records 130.0K records Share
- 2011 2011 — US Law Enforcement: AntiSec hackers published 2,719 social security… 123.5K records Share
- 2010 2010 — US Law Enforcement: AntiSec hackers published 2,719 social security… 123.5K records Share
US Law Enforcement Data Breach Summary
This page tracks the US Law Enforcement data breach history and cybersecurity incidents affecting US Law Enforcement (United States). BreachHistory currently indexes 3 publicly disclosed or catalogued incidents spanning 2010 through 2011, with approximately 377 thousand records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.
The US Law Enforcement breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.
Largest US Law Enforcement Data Breaches
The largest indexed incidents include the 2011 — US Law Enforcement: Data breach reported, 130K records, the 2011 — US Law Enforcement: AntiSec hackers published 2,719 social security…, and the 2010 — US Law Enforcement: AntiSec hackers published 2,719 social security…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by US Law Enforcement or a regulator. Below is the list of large data breaches:
- 2011 2011 — US Law Enforcement: Data breach reported, 130K records — about 130.0K records exposed · Catalogued incident
- 2011 2011 — US Law Enforcement: AntiSec hackers published 2,719 social security… — about 123.5K records exposed · Catalogued incident
- 2010 2010 — US Law Enforcement: AntiSec hackers published 2,719 social security… — about 123.5K records exposed · Catalogued incident
What Information Was Exposed?
Depending on the incident, exposed data may include email addresses, passwords, phone numbers, names, profile information, account identifiers, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.
US Law Enforcement Data Breach 2026
At the time of this update, no US Law Enforcement data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.
What To Do If You Were Affected
If you believe your account may have been involved in a US Law Enforcement data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.
This US Law Enforcement breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.