GhostAction Crosses Paths With PolinRider: Inside the October Escalation
GhostAction pushed 72,026 commits to 22,964 repos in nine days, now targeting CI runners and developer machines with a launcher copied from PolinRider.
The campaign that never stopped: tracking GhostAction from 2025 to 2026
The GhostAction supply chain campaign hit 772 public GitHub repositories between Aug. 31 and Sept. 30, 2026, targeting 2,577 secrets. Between Oct 8-9 a new burst hit 30k more, and this time the workflows ran.
GitHub App Private Keys: 474 Leaked Keys Exposed
GitGuardian tested thousands of leaked GitHub App private keys and found 474 valid ones, some with admin access to entire organizations. CDC and BuildBuddy were among those affected. See the findings.
Mini Shai-Hulud's Latest Wave: 280 New Places It Hunts for Your Secrets
A new Mini Shai-Hulud wave hit keyv and 800+ npm packages. The malware now scans 469 secret locations, including AI agents, crypto wallets, and CI/CD tools.
40 Million Fake Push: When Spam Commits Took Over The Public GitHub
Millions of fake commits are flooding GitHub's public feed. We followed the trail to a rebranded gambling site hiding behind a defunct lottery brand.
Grafana and GitHub Breached: The Risk When Private Code Leaks
Code from GitHub and Grafana is in criminal hands. Secrets buried inside could open doors no one is thinking of protecting yet, and AI will make hunting 0-days in that private code faster than ever.
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.
The Bot Left a Fingerprint: Detecting and Attributing LLM-Generated Passwords
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.
Renovate & Dependabot: The New Malware Delivery System
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.
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.
2,622 Valid Certificates Exposed: A Google-GitGuardian Study Maps Private Key Leaks to Real-World Risk
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.
