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Microsoft Dusseldorf
Meet Dusseldorf, Microsoft’s open-source out-of-band security platform

Out-of-band vulnerabilities surface when an application quietly reaches out to an external system during an attack, and capturing that traffic calls for infrastructure that …

Visual Studio Code
VS Code agent host runs Copilot, Claude, and Codex in a dedicated process

Developers who lean on AI coding agents often keep several editor windows open at once, each tied to its own session. The 1.129 release of Visual Studio Code reworks that …

FreeRDP
FreeRDP 3.29.0 security update resolves 22 advisories

FreeRDP is a free implementation of the Remote Desktop Protocol, released under the Apache license, and it runs on a large share of workstations and servers through the many …

SingGuard-NSFA
SingGuard-NSFA: Open-source guardrails for agentic AI

SingGuard-NSFA is an open-source guardrail framework aimed at operational threats in agent workflows. Four models ship at 0.8B, 2B, 4B, and 9B parameters, all built on Qwen3.5 …

chat
Chatto: Open-source team messenger with privacy at its core

Teams that want their group chats off commercial platforms have a growing menu of self-hosted options. Chatto joined that group when its developer released the code under an …

Cynative
Cynative: Open-source deep research agent

Running a large language model against a live cloud account to hunt for security holes comes with an obvious hazard. An agent that holds real credentials and a mandate to poke …

open source
The open source library holding up your stack might have one maintainer

Every serious software product runs on code that someone else wrote and released for free. A web service leans on a cryptography library, a data pipeline pulls in a parser, …

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 …

OpenSSH
OpenSSH 10.4 arrives with security fixes and a post-quantum signature option

Operators who manage remote access to Unix and Linux systems keep a close watch on OpenSSH, the software that carries most SSH traffic across the internet. The project …

Omnigent
Omnigent: Open-source AI agent framework and meta-harness

Plenty of developers now keep several coding agents close at hand, reaching for Claude Code on one task and Codex or Cursor on the next. Each tool arrives with its own command …

ClamAV
New ClamAV security patch closes seven scanner bugs dating back two decades

Open source antivirus scanning sits inside mail gateways, file upload checks, and endpoint tooling at organizations of every size. Much of that work runs through ClamAV, the …

Nika
Nika: Open-source code analysis tool

Many serious security bugs in web applications sit across several files at once. Request data enters through a controller, moves through data objects and service layers, and …

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