Security Research

A collection of 27 posts

2,622 Valid Certificates Exposed: A Google-GitGuardian Study Maps Private Key Leaks to Real-World Risk

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.

OpenClaw (Moltbot) Personal Assistant Goes Viral – And So Do Your Secrets

OpenClaw (Moltbot) Personal Assistant Goes Viral – And So Do Your Secrets

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?"

From Path Traversal to Supply Chain Compromise: Breaking MCP Server Hosting

From Path Traversal to Supply Chain Compromise: Breaking MCP Server Hosting

We found a path traversal vulnerability in Smithery.ai that compromised over 3,000 MCP servers and exposed thousands of API keys. Here's how a single Docker build bug nearly triggered one of the largest AI supply chain attacks to date.

How Cybercriminal Organizations Weaponize Exposed Secrets

How Cybercriminal Organizations Weaponize Exposed Secrets

The threat GitGuardian has long-anticipated is now a reality: criminal groups are executing systematic attacks targeting hardcoded credentials and over-permissive IAM configurations. The situation escalated when Shiny Hunters and Crimson Collective formed an alliance to coordinate efforts.

The GhostAction Campaign: 3,325 Secrets Stolen Through Compromised GitHub Workflows

The GhostAction Campaign: 3,325 Secrets Stolen Through Compromised GitHub Workflows

On September 5, 2025, GitGuardian discovered GhostAction, a massive supply chain attack affecting 327 GitHub users across 817 repositories. Attackers injected malicious workflows that exfiltrated 3,325 secrets, including PyPI, npm, and DockerHub tokens via HTTP POST requests to a remote endpoint.