KnowBe4 Blog

Keeping you informed. Keeping you aware.
Stay on top of the latest in human and agent security including social and prompt engineering, ransomware and phishing attacks.

Stu Sjouwerman

Founder and Executive Chairman

Stu Sjouwerman (pronounced “shower-man”) is the Founder and Executive Chairman of KnowBe4, Inc., which hosts the world’s most popular integrated security awareness training and simulated phishing platform, with over 54,000 organization customers and more than 50 million users. A serial entrepreneur and data security expert with 30 years in the IT industry, Stu was the co-founder of Inc. 500 company Sunbelt Software, a multiple award-winning anti-malware software company that was acquired in 2010.


Recent Posts

Cyberheist Theft of Carbon Credits Shows Just How Far Cyberthieves Will Go!

We read with great interest in a recent edition of The Economist about the theft of carbon emission credits through the Emissions Trading Scheme (ETS), a market overseen by the European ...

Beware Cross-Channel Cybercrime Threats!

Shoot! Anybody with a smidgen of Web security history under his or her belt winces as soon as the word "cross" comes up as a modifier, thanks to the legions of exploits based on ...

Cybercrime: The Bigger They Are, The More They Get Attacked

The Wall Street Journal reported on Saturday (2/5/2011) that it learned that the computer network for the Nasdaq OMX Group has been repeatedly (and at least somewhat successfully) ...

Cybercrime: Banks Are Under Intensive Assault From Cybercriminals

As I promised last week, I'm going to be blogging periodically about various information and articles from the commercial advocacy site with the very apt URL of ...