OpenLearn offers 900+ courses on a wide variety of subjects, and they include free certificates & badges.

Online course platforms closely track their learners. And things have gotten worse over the past two years.

In 2021, Udacity consolidated its enterprise focus, launched fewer free courses, but tripled scholarships.

Learn Cyber Threat Intelligence (CTI), threat hunting, and MITRE ATT&CK framework to strengthen your defenses. Real-world APT case studies and understanding attacker TTPs used in modern cyber threats.