Hottest cybersecurity open-source tools of the month: January 2026

This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. OpenAEV: Open-source adversarial exposure validation platform OpenAEV is an open source platform designed to plan, run, and review cyber adversary simulation campaigns used by security teams. The project focuses on organizing exercises that blend technical actions with operational and human response elements, all managed through a single system. StackRox: Open-source Kubernetes security platform Security teams spend a … More →