CISA (Cybersecurity and Infrastructure Security Agency) Data Breach History
WebsiteCISA is the U.S. federal agency responsible for cybersecurity across the civilian government network.
This page shows all data breaches of CISA (Cybersecurity and Infrastructure Security Agency). View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All CISA (Cybersecurity and Infrastructure Security Agency) Breaches
- 2026 2026 CISA — contractor GitHub exposed plaintext credentials and cloud keys (May) Unknown records Share
CISA (Cybersecurity and Infrastructure Security Agency) Data Breach Summary
This page tracks the CISA (Cybersecurity and Infrastructure Security Agency) data breach history and cybersecurity incidents affecting CISA (Cybersecurity and Infrastructure Security Agency) (United States). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2026, with approximately an unknown number of 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 CISA (Cybersecurity and Infrastructure Security Agency) 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 CISA (Cybersecurity and Infrastructure Security Agency) Data Breaches
Indexed CISA (Cybersecurity and Infrastructure Security Agency) incidents are listed below. Where a public count is unavailable, the catalog shows unknown records exposed. Open each page for attack method, data types, and sources.
- 2026 2026 CISA — contractor GitHub exposed plaintext credentials and cloud keys (May) — about Unknown records exposed · Catalogued incident
What Information Was Exposed?
Depending on the incident, exposed data may include passwords and login credentials, private messages and communications, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.
CISA (Cybersecurity and Infrastructure Security Agency) Data Breach 2026
At the time of this update, BreachHistory catalogues 1 2026 incident related to CISA (Cybersecurity and Infrastructure Security Agency). Most recent entry: 2026 CISA — contractor GitHub exposed plaintext credentials and cloud keys (May). 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 CISA (Cybersecurity and Infrastructure Security Agency) 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 CISA (Cybersecurity and Infrastructure Security Agency) 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.