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Reconmap
Reconmap: Open-source vulnerability assessment, pentesting management platform

Reconmap is an open source tool for vulnerability assessments and penetration testing. It helps security teams plan, carry out, and report on security tests from start to …

open-source security tools
35 open-source security tools to power your red team, SOC, and cloud security

This article showcases free, open-source security tools that support your organization’s teams in red teaming, threat hunting, incident response, vulnerability scanning, and …

free AI coding security
Free AI coding security rules now available on GitHub

Developers are turning to AI coding assistants to save time and speed up their work. But these tools can also introduce security risks if they suggest flawed or unsafe code. …

MDEAutomator
MDEAutomator: Open-source endpoint management, incident response in MDE

Managing endpoints and responding to security incidents in Microsoft Defender for Endpoint (MDE) can be time-consuming and complex. MDEAutomator is an open-source tool …

Nettacker
OWASP Nettacker: Open-source scanner for recon and vulnerability assessment

OWASP Nettacker is a free, open-source tool designed for network scanning, information gathering, and basic vulnerability assessment. Built and maintained by the OWASP …

fiddleitm
fiddleitm: Open-source mitmproxy add-on identifies malicious web traffic

fiddleitm is an open-source tool built on top of mitmproxy that helps find malicious web traffic. It works by checking HTTP requests and responses for known patterns that …

Meta tool
Meta open-sources AI tool to automatically classify sensitive documents

Meta has released an open source AI tool called Automated Sensitive Document Classification. It was originally built for internal use and is designed to find sensitive …

Vet
Vet: Open-source software supply chain security tool

Vet is an open source tool designed to help developers and security engineers spot risks in their software supply chains. It goes beyond traditional software composition …

Woodpecker
Woodpecker: Open-source red teaming for AI, Kubernetes, APIs

Woodpecker is an open-source tool that automates red teaming, making advanced security testing easier and more accessible. It helps teams find and fix security weaknesses in …

phishing
GitHub becomes go-to platform for malware delivery across Europe

Phishing has become the go-to method for attackers looking to get past security controls and access sensitive environments in Europe, according to Netskope. Users are now …

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

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

LlamaFirewall
LlamaFirewall: Open-source framework to detect and mitigate AI centric security risks

LlamaFirewall is a system-level security framework for LLM-powered applications, built with a modular design to support layered, adaptive defense. It is designed to mitigate a …

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