Live disclosure tracker · updated continuously

Government Data Breaches

Federal agencies, state governments, municipalities, and public-sector contractors have become priority targets for nation-state actors and ransomware groups. Below is every government-sector breach LeakTrace has indexed.

98B+

Records Exposed

16501

Incidents

94+

Countries

+104%

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Government Data Breaches (16501 indexed)

medium · government · Jul 15, 2026

CISA

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned Tuesday that attackers are actively exploiting three vulnerabilities to hack Internet-exposed on-premises SharePoint Server instances. [...]

View incident → Original disclosure Indexed 21 hours, 31 minutes ago

medium · government · Jul 14, 2026

I was really unpleasantly surprised when they let him out while on appeal, and now they

I was really unpleasantly surprised when they let him out while on appeal, and now they may not be able to return him to prison? Did no one foresee that he might not stick around to be sent back to prison? Daryna Antoni

View incident → Original disclosure Indexed 1 day, 21 hours ago

medium · government · Jul 13, 2026

The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a

The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub

View incident → Original disclosure Indexed 2 days, 21 hours ago

critical · government · Jul 11, 2026

Daryna Antoniuk

Daryna Antoniuk reports: Dutch police said Thursday they had uncovered evidence suggesting that Dutch criminals were involved in the cyberattack on telecom provider Odido that exposed the personal data of more than 6 mil

View incident → Original disclosure Indexed 4 days, 21 hours ago

critical · government · Jul 9, 2026

Texas Parks and Wildlife

3M driver license and passport numbers exposed

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

Conduent Government Services

62.2M SSNs and health records exposed

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

DHS Homeland Security Network

Sensitive intel platform breached in ongoing attack

View incident → Indexed 6 days, 21 hours ago

high · government · Jul 9, 2026

French Tchap Platform

73K government accounts and 643K messages stolen

View incident → Indexed 6 days, 21 hours ago

high · government · Jul 9, 2026

NAIC

3.1TB regulatory filings breached via PeopleSoft zero-day

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

DHS Homeland Security Network

Intel-sharing platform breached, World Cup security data at risk

View incident → Indexed 6 days, 21 hours ago

high · government · Jul 9, 2026

Acworth City Government

INC_RANSOM ransomware hits city systems

View incident → Indexed 6 days, 21 hours ago

high · government · Jul 9, 2026

Texas Parks and Wildlife

3M license records with government IDs exposed

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

US DHS HSIN

Federal threat intel platform breached for weeks

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

Canada House of Commons

Employee PII stolen via Microsoft SharePoint zero-day

View incident → Indexed 6 days, 21 hours ago

high · government · Jul 9, 2026

Texas Parks and Wildlife

3M hunting license records exposed via vendor breach

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

US DHS HSIN

Threat intel platform breached mid-World Cup operations

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

DHS Homeland Security Network

Intel-sharing platform breached, World Cup security data exposed

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

DHS Homeland Security

Federal intelligence network breached, national security risk

View incident → Indexed 6 days, 21 hours ago

high · government · Jul 9, 2026

Canada House of Commons

Employee data stolen via ToolShell SharePoint exploit

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

HSIN intelligence platform

HSIN intelligence platform breached late May 2026

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

Texas Parks Wildlife Dept

3M license holders PII exposed via vendor breach

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

HSIN intelligence platform

HSIN intelligence platform breached nationally sensitive data

View incident → Indexed 6 days, 21 hours ago

critical · government · Jul 9, 2026

DHS Homeland Security Network

Federal intel-sharing platform breached for weeks

View incident → Indexed 6 days, 21 hours ago

high · government · Jul 9, 2026

Texas Parks Wildlife Dept

3M license holders exposed including ID and passport data

View incident → Indexed 6 days, 21 hours ago