Help Net Security newsletters: Daily and weekly news, cybersecurity jobs, open source projects, breaking news – subscribe here!

Please turn on your JavaScript for this page to function normally.
HOL Guard
HOL Guard: Open-source antivirus for AI agents

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, …

Hazmat
Hazmat: Open-source containment for AI agents

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 …

Wireshark
Wireshark 4.6.8 patches 28 security bugs, nine in file parsers

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 …

OpenSSH
Locking your ssh-agent exposed local-only keys until OpenSSH 10.5

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 …

Chainloop
Chainloop: Open-source evidence store and policy engine for the software supply chain

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 …

botnet
Suppliers, logins, and AI tools are all becoming attack paths

Cybercriminals and state-backed hacking groups are abusing trusted identities, cloud services, AI tools, and software supply chains to gain access while avoiding detection, …

Uptime Kuma
Uptime Kuma 2.5.0 waits two weeks before trusting a new npm package

Uptime Kuma checks whether a website, a Docker container, a DNS record, or a Steam game server is still answering, and pushes a message to Telegram, Slack, or email when one …

Qodana
Qodana 2026.2 adds post-quantum crypto checks for JVM code

Qodana 2026.2 shipped with new security inspections, published benchmark results, post-quantum cryptography checks, and coverage reporting that no longer has to be pointed at …

SkillSpector
SkillSpector: NVIDIA’s open-source security scanner for AI agent skills

SkillSpector is an open-source scanner from NVIDIA that reads an agent skill and tells you whether to install it. Point it at a directory, a zip file, a single SKILL.md, or a …

CISA
CISA sets a new SBOM baseline

The US Cybersecurity and Infrastructure Security Agency (CISA), together with its co-authoring partners, has released the 2026 Minimum Elements for a Software Bill of …

Specter
Specter: Open-source NFC reader bug sweep for Flipper Zero

Specter is a Flipper Zero app that finds powered NFC readers by listening for the radio field they give off. The readers it hunts work at 13.56 MHz. The Flipper’s own …

Nono
Nono: Open-source sandbox for AI agents

An AI coding agent opens a terminal, reads a config file, and finds a live cloud key sitting in plaintext. It runs with the permissions of the person who launched it. Every …

Don't miss

Cybersecurity news
Daily newsletter sent Monday-Friday
Weekly newsletter sent on Mondays
Editor's choice newsletter sent twice a month
Periodical newsletter released for important security events and breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools