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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 …

LudusHound
LudusHound: Open-source tool brings BloodHound data to life

LudusHound is an open-source tool that takes BloodHound data and uses it to set up a working Ludus Range for safe testing. It creates a copy of an Active Directory environment …

Buttercup
Buttercup: Open-source AI-driven system detects and patches vulnerabilities

Buttercup is a free, automated, AI-powered platform that finds and fixes vulnerabilities in open-source software. Developed by Trail of Bits, it recently earned second place …

Obot MCP Gateway
Obot MCP Gateway: Open-source platform to securely manage the adoption of MCP servers

Obot MCP Gateway is a free, open-source gateway that enables IT organizations to securely manage and scale adoption of Model Context Protocol (MCP) servers. MCPs are becoming …

open-source flow monitoring
Open-source flow monitoring with SENSOR: Benefits and trade-offs

Flow monitoring tools are useful for tracking traffic patterns, planning capacity, and spotting threats. But many off-the-shelf solutions come with steep licensing costs and …

EntraGoat
EntraGoat: Vulnerable Microsoft Entra ID infrastructure to simulate identity security misconfigurations

EntraGoat is a purpose-built tool that sets up a vulnerable Microsoft Entra ID environment to mimic real-world identity security issues. It’s designed to help security …

WinRAR
WinRAR zero-day exploited by RomCom hackers in targeted attacks

ESET researchers have discovered a previously unknown vulnerability in WinRAR, exploited in the wild by Russia-aligned group RomCom. If you use WinRAR or related components …

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