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

This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. GoSearch: Open-source OSINT tool for uncovering digital footprints GoSearch is an... Read more »

Villain: Open-source framework for managing and enhancing reverse shells

Villain is an open-source Stage 0/1 command-and-control (C2) framework designed to manage multiple reverse TCP and HoaxShell-based shells. Beyond simply handling connections, Villain enhances these shells with added functionality,... Read more »

GoSearch: Open-source OSINT tool for uncovering digital footprints

GoSearch is an open-source OSINT tool built to uncover digital footprints linked to specific usernames. Designed for speed and accuracy, it lets users quickly track someone’s online presence across... Read more »

SWE-agent: Open-source tool uses LLMs to fix issues in GitHub repositories

By connecting powerful language models like GPT-4o and Claude Sonnet 3.5 to real-world tools, the open-source tool SWE-agent allows them to autonomously perform complex tasks: from fixing bugs in... Read more »

Hawk Eye: Open-source scanner uncovers secrets and PII across platforms

Hawk Eye is an open-source tool that helps find sensitive data before it leaks. It runs from the command line and checks many types of storage for PII and... Read more »

Apple Patches Two Zero-Days Used in ‘Extremely Sophisticated’ Attacks

Find out the specifics of these iOS and macOS vulnerabilities, as well as which Apple devices were impacted. Read more »

Attack Flow: Learn how cyber adversaries combine and sequence offensive techniques

MITRE’s Attack Flow project aims to translate complex cyber operations into a structured language. By describing how adversaries sequence and combine offensive techniques to reach their objectives, Attack Flow... Read more »

Tirreno: Open-source fraud prevention platform

Tirreno is an open-source fraud prevention platform designed as a universal analytics tool to monitor online platforms, web applications, SaaS products, digital communities, mobile apps, intranets, and e-commerce websites.... Read more »

OpenSSL prepares for a quantum future with 3.5.0 release

The OpenSSL Project has released version 3.5.0 of its widely used open-source cryptographic library, introducing new features and notable changes that signal its evolution toward future-ready cryptography. This feature... Read more »

APTRS: Open-source automated penetration testing reporting system

APTRS is an open-source reporting tool built with Python and Django. It’s made for penetration testers and security teams who want to save time on reports. Instead of writing... Read more »
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