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

Chinese Cybercrime Develops Lucrative Hacking Services

The McAfee blog gave an interesting perspective on an area we do not look at too closely normally. Underground cybercrime profits in China have likely already exceeded US$15.1 billion ...

An inventive YouTube moderator phishing scam

Full marks for inventiveness If you have a YouTube channel, and have had your fill of sifting through the vile torrent of abusive comments left on your video masterpieces, you can invite ...

"123456" Remains Most Common Password Found in Data Dumps in 2017

For the second year in a row, "123456" remained the top password among the millions of cleartext passwords exposed online thanks to data breach incidents at various providers. While ...

Scam Of The Week: New Massive Data Breach Poses Major Threat

Here’s a fun question to pose to the family dinner table: Have you ever heard of Alteryx? 100 to 1 you never heard of them, but chances are good that they have heard of you. Alteryx is a ...

Nearly 250,000 user logins are being hacked every week and become phishing targets

A research team from Google collaborated with the cybersecurity experts from the University of California, Berkeley to scrutinize the activities of these online miscreants. After about 1 ...

The Top 5 Reasons Why You Need To Deploy New-school Security Awareness Training In 2018

2017 was a dumpster fire of privacy and security screw-ups. To implement a simple, effective, IT security strategy will help your CEO to keep their job in 2018. Better yet, thousands of ...

CEO Fraud Costs Major Airline Millions Of Dollars

This week the international carrier Japan Airlines (JAL) admitted it had fallen victim to CEO Fraud that cost it 384 million yen (about $3.39 million). The incidents took place in ...

File-less Malware Attacks Hit Milestone in 2017 And Ransomware Grows to $5 Billion Industry

New data shows that file-less malware attacks are now the majority of all attacks this year, and ransomware grows to a whopping 5 billion industry. Fileless malware attacks using ...

The Massive Cyber Attacks Slated For 2018 Will Make You WannaCry

If you think 2017 was bad, hold on for dear life because 2018 is going to be the worst yet when it comes to cyber attacks, with new and better coordinated attacks looming large. Why? ...

Cancer Center Discloses $2.3 Million Data Breach Settlement In Their Bankruptcy Filing

As reported in BNA Privacy Law Watch, on December 6, 2017, health care provider 21st Century Oncology agreed to pay $2.3 million to settle charges by the Department of Health and Human ...