Runner up: CNet Training

KnowBe4, the provider of the world's largest security awareness training and simulated phishing platform, is used by more than 35,000 organisations around the globe. Founded by IT and data security specialist Stu Sjouwerman, KnowBe4 helps organisations address the human element of security by raising awareness about ransomware, CEO fraud and other social engineering tactics through a new-school approach to awareness training on security.

Kevin Mitnick, an internationally recognised cybersecurity specialist and KnowBe4's Chief Hacking Officer, helped design the KnowBe4 training based on his well-documented social engineering tactics. Tens of thousands of organisations rely on KnowBe4 to mobilise their end users as the last line of defence.