FutureLearn - Free online courses from top universities and cultural institutions
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
VTC - Enhance your software, business and creative skills with more than 1000 online course titles with certifications, exclusive training by VTC
Tenable.io - Tenable.io Cyber Exposure platform helps to protect any asset on any computing platform and eliminate blind spots.
StraighterLine - StraighterLine is an online educational platform that provides a huge amount of courses on various topics fully enriched with knowledge.
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.