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Kanister
Kanister: Open-source data protection workflow management tool

Kanister is an open-source tool that lets domain experts define how to manage application data using blueprints that are easy to share and update. It handles the complex parts …

Notepad++
Flaw in Notepad++ installer could grant attackers SYSTEM access (CVE-2025-49144)

A high-severity vulnerability (CVE-2025-49144) in the Notepad++ installer could be exploited by unprivileged users to gain SYSTEM-level privileges through insecure executable …

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 …

Amazon Linux
Amazon Linux 2023 achieves FIPS 140-3 validation

Amazon Linux 2023 (AL2023) has earned FIPS 140-3 Level 1 validation for several of its cryptographic modules. This means it’s now approved for use in systems that need …

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 …

Kali Linux 2025.2
Kali Linux 2025.2 delivers Bloodhound CE, CARsenal, 13 new tools

OffSec has released Kali Linux 2025.2, the most up-to-date version of the widely used penetration testing and digital forensics platform. KDE Plasma 6.3 in Kali Linux 2025.2 …

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 …

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