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Sift
Open-source secrets scanning tool Sift hunts credentials in Microsoft 365, Slack, and Jira

Sift is a free, open-source command line tool that searches for passwords, API keys, and other sensitive data across the places a company keeps its work: local disks, Windows …

open-source cybersecurity tools
Hottest cybersecurity open-source tools of the month: August 2026

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

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 …

PentestGPT
PentestGPT: Open-source automated penetration testing agentic framework

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 …

Picus report
338 million attack simulations reveal the state of enterprise defense

First, a bit of good news: Enterprise defenses are recovering. However, it’s a narrow recovery, with a twist. Today, organizations are better at stopping loud attacks but have …

lock
An AI agent can pass every safety check and still leak secrets

A pull request lands with a tidy bug report in the description. A bot reads it before any person does, pulls a few shell commands out of it, gets them approved, and posts the …

vulnerability
Security teams keep finding critical flaws after scheduled testing ends

Enterprise environments change between scheduled security assessments, leaving organizations with periods where new vulnerabilities can go undetected. Synack’s State of …

open-source cybersecurity tools
20 open-source cybersecurity tools to keep your team ready for anything

AI is changing how security teams find vulnerabilities, analyze code, test applications, and protect infrastructure. Developers are building tools to secure AI systems …

Kali Linux
Kali Linux 2026.2 trims VM boot times, refreshes its desktops

Penetration testers who run Kali Linux inside virtual machines boot their systems faster after the 2026.2 release. The change comes from a decision about graphics firmware, …

DarkMoon
DarkMoon: Open-source AI pentesting platform

Penetration testing has long run on expert time, with specialists spending days probing a network or web application by hand. Manual engagements stretch across weeks, expert …

See
Companies keep bolting AI onto their products, and the security bill is coming due

Companies keep bolting AI and LLM features onto their products, and the security results are starting to show a pattern. The vulnerabilities those features create get rated …

AI
Security testing was built for a slower world

Software teams are pushing code into production faster than security testing can keep up. AI is accelerating development cycles and adding pressure to security programs that …

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