Best online cybersecurity courses of 2021: free and paid certification programs, degrees and masters

By Tech Radar
Udemy
"Huge learning platform"
Open University
"The online university"
Future Learn
"Wide range of short courses"
Coursera
"Another short-course distance learning platform"
NexGenT
"Military-grade cybersecurity training"
Cybrary
"Extensive free cybersecurity courses"
CISA
"The government cybersecurity course platform"
Open Security Training
"Open cybersecurity training"
Heimdal Security
"Another free cybersecurity course"
Sans Cyber Aces Online
"Simple introduction to cyber security"
US Department of Homeland Security
"The government cybersecurity course platform"