open source

Presented here is a curated selection of noteworthy open-source cybersecurity solutions that have drawn recognition for their ability to enhance security postures across …

HOL Guard is a tool that sits between an AI assistant and the computer it runs on. Its core local runtime is free and open source. When the assistant tries something risky, …

Google’s researchers and engineers developed the Homomorphic Encryption Intermediate Representation (HEIR) compiler project, an open-source compiler toolchain and development …

Hazmat is an open-source tool that runs AI coding agents inside a separate account on your own machine. It wraps the harnesses people use: Claude Code, Codex, OpenCode, Cursor …

A massive 153GB archive stolen during the LiteLLM supply chain attack exposes credentials and other sensitive data linked to thousands of corporate domains, including AWS, …

Wireshark 4.6.8 fixes 28 security bugs in the protocol analyzer, and nine of them fire when someone opens a saved capture file. Those nine sit in file parsers, the code that …

PentestGPT is an open-source penetration testing agent that points a large language model at a target and lets it work. In its default mode it runs recon, then exploit, then …

Lock your ssh-agent and it should sit there refusing to sign anything until you unlock it. In OpenSSH 10.4, locking it also switched off the check that tells the agent whether …

GitHub has flagged npm malware since March 2026. Anyone pulling in a bad PyPI, Maven, RubyGems, NuGet, Go, crates.io, or PHP Composer package has had no such warning, because …

Chainloop is an open source evidence store for the software supply chain. A command line tool runs inside a GitHub Actions, GitLab, Jenkins, or Dagger pipeline, picks up what …

This week Help Net Security is at the Mandalay Bay, where Arsenal is running alongside the Briefings. If you’ve never been, it’s the corner of Black Hat that feels …

Cloudflare open sourced Cloudflare OS, the agent platform whose first version its own employees have used since May. Every resource an agent reads gets recorded, the record …