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

FBI Internet Crime Report Released: The Evolving Threat and Importance of Reporting

The FBI's Internet Crime Complaint Center released its 2019 Internet Crime Report, and by no surprise the bad guys and new scams show no signs of stopping anytime soon. Last year the ...

Seasonal Scams: Valentine's Day Edition

Romance scams and confidence scams cause both emotional and financial pain. According to the latest FBI's Internet Crime Complaint Center (IC3) figures for 2019, confidence/romance scams ...

DOJ Charges Hackers from the Chinese People Liberation Army with 2016 Equifax Data Breach

Four hackers have been charged with hacking the U.S. credit reporting agency where data on U.S. citizens and proprietary Equifax secrets were stolen.

Email Account Takeover Attacks Get Smarter, Sophisticated, and More Patient

New data from Barracuda shows attackers take their time to leverage the credential compromise and to avoid detection when taking over email accounts.

FTC Alert: Coronavirus Scammers Love Scary Bad News

Scary news stories in the headlines always bring out the bad guys looking to make a quick illegal buck.

Most British Breaches Traced to Human Error

90% of data breaches in the UK during 2019 were caused by human mistakes, Infosecurity Magazine reports. CybSafe analyzed all the data breach reports received by the UK Information ...

Safer Internet Day: What You Can Do to Stay Safe

February 11, 2020 is Safer Internet Day, a worldwide event aimed at promoting the safe and positive use of digital technology for all users, especially children and teens. This year's ...

One Pricy Hospital Bill: Ransomware Attack Costs Hospital $1 Million, Requiring Notice to Municipal Bond Holders

Most organizations think about the impact of a ransomware attack being limited to recovery, legal, PR, and perhaps paying the ransom. In this case bond holders could take a hit.

Ransomware Attacks Increase 41 Percent as Cybercriminals Double-Down on Taking Your Money

New data from New Zealand security firm Emsisoft shows that more organizations are being successfully being attacked and held for ransom, putting operations at risk.

Education is Necessary to Stay Ahead of Threats

Most people don’t realize how vulnerable they are to social engineering until they experience it, according to Anna Collard, the founder of KnowBe4’s South African security awareness ...