AppArmor - A Mandatory Access Control (MAC) system which is a kernel (LSM) enhancement to confine programs to...
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
Qubes OS - Qubes is a security-oriented, free and open-source operating system for personal computers that allows you to securely compartmentalize your digital life.Download Mirrors · Qubes R4.
AlienVault USM (from AT&T Cybersecurity) - AlienVault USM Anywhere delivers powerful threat detection, incident response, and compliance management for cloud, on-premises, and hybrid environments.
grsecurity - Role-based access control system, least privilege memory protection, chroot restriction, etc.
Tenable.io - Tenable.io Cyber Exposure platform helps to protect any asset on any computing platform and eliminate blind spots.