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.
Hunting Leaked PyPI Tokens: 62 Live, 125 Packages Exposed
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.
Leaked Kubernetes Secrets: Impact Assessment and Mitigation Strategies
A single leaked Kubernetes credential rarely stays in the cluster. It opens the registry credentials, private Docker images, and private GitHub repositories behind it. In Q1 2026 alone, our detectors caught close to 2,000 new such leaks on GitHub, 28% valid at leak time.
How We Got a CISA GitHub Leak Taken Down in Under a Day
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.
Mini Shai-Hulud: A persistent supply-chain worm
A self-replicating worm is actively compromising packages with 3M+ weekly downloads, hijacking tokens from CI/CD pipelines, and bypassing trusted publishing protections.
@bitwarden/cli - GitGuardian Views on helloworm00
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.
No Off Season: Three Supply Chain Campaigns Hit npm, PyPI, and Docker Hub in 48 Hours
Three supply chain attacks hit npm, PyPI, and Docker Hub between April 21–23, 2026. All three targeted secrets: API keys, cloud credentials, SSH keys, and tokens from developer environments and CI/CD pipelines.
Vercel April 2026 Incident: Non-Sensitive Environment Variables Need Investigation Too
Vercel's Context.ai breach exposed environment variables that weren't marked sensitive. Learn how to pull and scan your secrets with GitGuardian.
Key Leaks, Vault Failures, and TEE Attacks: Highlights from RWC 2026
What resonated most at RWC 2026? GitGuardian highlights key research on private key leaks, password managers, trusted execution environments, and secret sprawl.
The Team PCP Snowball Effect: A Quantitative Analysis
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.
How GitGuardian Enables Rapid Response to the LiteLLM Supply Chain Attack
Learn how to detect compromise, assess your exposure to the LiteLLM supply chain attack, and use GitGuardian to orchestrate rapid incident response and secret remediation.
Trivy’s March Supply Chain Attack Shows Where Secret Exposure Hurts Most
The Trivy story is moving quickly, and the latest reporting makes one thing clear: this is no longer just a GitHub Actions tag hijack. What started as a compromise of trivy-action, setup-trivy, and the v0.69.4 release has expanded into malicious Docker Hub images.
