What CISA Got Right After Its GitHub Leak: Lessons Every Organization Should Copy
After the CISA GitHub leak, the agency published a candid incident postmortem. Here are six lessons security teams should copy, from secrets scanning to key rotation.
After the CISA GitHub leak, the agency published a candid incident postmortem. Here are six lessons security teams should copy, from secrets scanning to key rotation.
We found 62 live PyPI tokens leaking on public sources, enough to push malicious code to 125 packages with 25,000 monthly downloads. We reported them to PyPI, which revoked every one. Here's how we decoded the macaroons and checked which still worked.
On May 14, GitGuardian found a public GitHub repository called "Private-CISA" — 844 MB of plain-text passwords, AWS tokens, and Entra ID SAML certificates belonging to CISA, exposed since November 2025. Some credentials were still valid. CISA pulled it offline within 26 hours.
A self-replicating worm is actively compromising packages with 3M+ weekly downloads, hijacking tokens from CI/CD pipelines, and bypassing trusted publishing protections.
LLMs leave statistical fingerprints in the passwords they generate. We built a 100-year-old model to find them and detected 28,000 in the wild.
GitGuardian analysis of the @bitwarden/cli compromise: GitHub used as C2, new Cloudflare exfiltration domain found, linked to April 22 Checkmarx KICS compromise via Dependabot.
Vercel's Context.ai breach exposed environment variables that weren't marked sensitive. Learn how to pull and scan your secrets with GitGuardian.
Recent supply chain attacks stayed live for hours. Automation tools silently merged their malware in minutes. Read how upgrade bots and AI agents became the insider threat.
Supply chain attacks cascade through ecosystems in ways traditional metrics hardly capture. GitGuardian evaluates the PCP Team incidents and finds damage spread to thousands of public targets.
GitGuardian’s 5th State of Secrets Sprawl report is here. In this blog, we unpack the key findings behind the 2026 edition, from AI-driven leak growth to the remediation gaps security teams can’t ignore.
GitGuardian partnered with Google to answer: what happens when private keys leak? Using Certificate Transparency, we mapped about 1M leaked keys to 140k certificates. Result: 2,622 were valid as of September 2025, exposing major organizations. Our disclosure campaign achieved 97% remediation.
Early 2026, Moltbot a new AI personal assistant went viral. GitGuardian detected 200+ leaked secrets related to it, including from healthcare and fintech companies. Our contribution to Moltbot: a skill that turns secret scanning into a conversational prompt, letting users ask "is this safe?"