Latest cybersecurity reporting from selected sources.

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 repository for almost six months before being notified by KrebsOnSecurity. Experts say the gaps identified in the agency's initial response provide important lessons that all security teams should absorb.

CISA reveals how it responded after sensitive AWS GovCloud credentials and internal data were exposed in a public GitHub repository

Lawmakers in both houses of Congress are demanding answers from the U.S. Cybersecurity & Infrastructure Security Agency (CISA) after KrebsOnSecurity reported this week that a CISA contractor intentionally published AWS GovCloud keys and a vast trove of other agency secrets on a public GitHub account. The inquiry comes as CISA is still struggling to contain the breach and invalidate the leaked credentials.

A researcher who found a repository that leaked on GitHub said it was one of the worst he’s witnessed. The post CISA credential leak raises alarms, and Capitol Hill demands answers appeared first on CyberScoop.

The agency's GitHub repository, publicly available since November 2025, was ironically named "Private-CISA."

Until this past weekend, a contractor for the Cybersecurity & Infrastructure Security Agency (CISA) maintained a public GitHub repository that exposed credentials to several highly privileged AWS GovCloud accounts and a large number of internal CISA systems. Security experts said the public archive included files detailing how CISA builds, tests and deploys software internally, and that it represents one of the most egregious government data leaks in recent history.

The US Cybersecurity and Infrastructure Security Agency added flaws in Fortinet and a popular GitHub Action to its Known Exploited Vulnerabilities catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a vulnerability linked to the supply chain compromise of the GitHub Action, tj-actions/changed-files, to its Known Exploited Vulnerabilities (KEV) catalog

Plus: DOGE staff quit; LastPass PC, Mac gasp; and CISA warns Oracle and Adobe flaws under attack Infosec bytes Kaspersky says it has found more than 200 GitHub repos hosting fairly convincing-looking fake projects laced with malicious software.…