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Cybersecurity AI (CAI)
Cybersecurity AI (CAI): Open-source framework for AI security

Cybersecurity AI (CAI) is an open-source framework that helps security teams build and run AI-driven tools for offensive and defensive tasks. It’s designed for anyone working …

Daniel Stenberg
Behind the scenes of cURL with its founder: Releases, updates, and security

In this Help Net Security interview, Daniel Stenberg, lead developer od cURL, discusses how the widely used tool remains secure across billions of devices, from cloud services …

Rayhunter
Rayhunter: EFF releases open-source tool to detect cellular spying

The Electronic Frontier Foundation (EFF) has released Rayhunter, a new open-source tool designed to detect cell site simulators (CSS). These devices, also known as IMSI …

Clean Links
Product showcase: Clean Links exposes what’s hiding behind a QR code

Clean Links is a handy app that shows you exactly where a link will take you before you click it. It strips out trackers, expands shortened URLs, and helps you avoid scams …

Garak
Garak: Open-source LLM vulnerability scanner

LLMs can make mistakes, leak data, or be tricked into doing things they were not meant to do. Garak is a free, open-source tool designed to test these weaknesses. It checks …

Signal backup
Signal adds secure backup option for chat history

Losing a phone can mean losing years of conversations. Signal is rolling out a new secure backup feature to help users keep their messages safe without giving up privacy. The …

Linux Kernel Runtime Guard
Linux Kernel Runtime Guard hits 1.0.0 with major updates and broader support

The Linux Kernel Runtime Guard (LKRG) is a kernel module that checks the Linux kernel while it’s running. It looks for signs of tampering and tries to catch attempts to …

InterceptSuite
InterceptSuite: Open-source network traffic interception tool

InterceptSuite is an open-source, cross-platform network traffic interception tool designed for TLS/SSL inspection, analysis, and manipulation at the network level. …

BruteForceAI
BruteForceAI: Free AI-powered login brute force tool

BruteForceAI is a penetration testing tool that uses LLMs to improve the way brute-force attacks are carried out. Instead of relying on manual setup, the tool can analyze HTML …

open-source cybersecurity tools
Hottest cybersecurity open-source tools of the month: August 2025

This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. Buttercup: …

Kopia
Kopia: Open-source encrypted backup tool for Windows, macOS, Linux

Kopia is an open-source backup and restore tool that lets you create encrypted snapshots of your files and store them in cloud storage, on a remote server, on network-attached …

work
The 6 challenges your business will face in implementing MLSecOps

Organizations that don’t adapt their security programs as they implement AI run the risk of being exposed to a variety of threats, both old and emerging ones. MLSecOps …

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