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

Scam Of The Week: Cryptocurrency On Twitter

The recent rash of cryptocurrency scams on Twitter show organizations that social media is there to share posts and can’t protect platform users.

KnowBe4 Halloween 2018

Just a shot of almost 600 people in costume !!!

Elon Musk Draws Attention to Cryptocurrency Scams on Twitter

The Tesla founder’s recent tweet about cryptocurrency got him temporarily locked out of his Twitter account, demonstrating the seriousness of the scam.

Security Rule-Breaking from Ignorance, Convenience, Curiosity

Ignorance of security policies and security threats is one of the primary reasons why employees break cybersecurity rules, says Ericka Chickowski at Dark Reading. A study conducted by ...

Replica Phishing Sites Prey on User Trust

Attacks leveraging look-alike federated logon pages are more dangerous than malware-laden attachments in email.

That Saudi oil and gas plant that got hacked. You'll never guess who could... OK, it's Russia

FireEye thinks it found the evil genius behind a nasty cyber-infection at a Saudi Oil refinery.

Everything is Negotiable… Including Ransomware Payments

Should you find yourself in the situation where paying the ransom is your only out, it’s important to know how to navigate – and minimize – the payment. Cyber attacks are the new reality ...

Everyone’s Cyber-Worried; No One’s Cyber-Prepared

New data from the 2018 Chubb Cyber Risk Survey shows people and companies have a false sense of cybersecurity and aren’t really doing much about it.