open source

Can AI agents catch what your SOC misses?
A new research project called NetMoniAI shows how AI agents might reshape network monitoring and security. Developed by a team at Texas Tech University, the framework brings …

AIDEFEND: Free AI defense framework
AIDEFEND (Artificial Intelligence Defense Framework) is an open knowledge base dedicated to AI security, providing defensive countermeasures and best practices to help …

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: 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 …

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 …

Git 2.51: Preparing for the future with SHA-256
Git 2.51 is out, and the release continues the long process of modernizing the version control system. The update includes several technical changes, but one of the most …

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: 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 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: 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 …

Open-source server management platform Proxmox VE 9.0 released
Proxmox Virtual Environment (VE) 9.0 introduces advancements in both storage and networking capabilities, addressing critical enterprise demands. A highlight is the …

BloodHound 8.0 debuts with major upgrades in attack path management
SpecterOps has released BloodHound 8.0, the latest iteration of its open-source attack path management platform, featuring major enhancements and expanded capabilities. …
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