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

[HEADS UP] Highly Sophisticated Job Offer Scam

If you've been approached by recruiters on LinkedIn for a potential job opportunity, you may want to pay attention to this recent scam.

Dueling Clauses, or, not all Fraud is the Same

There are, famously, three things you can do with risk: accept it, mitigate it, or transfer it. And you transfer risk by buying insurance against it.

[BUDGET AMMO] Companies Are Ditching Cybersecurity Insurance as Premiums Rise, Coverage Shrinks

As the CEO of a public InfoSec company I have a variety of news sources. One of these is called '"The Information" which covers in-depth tech stories usually earlier than anywhere else. ...

Vishing is a Rising Threat to the Enterprise

Most of us are all too familiar with vishing, the scam voice calls that offer to erase your credit card debt, to extend your automobile warranty, to get you to donate to that worthy cause ...

On this Carousell Ride, the Crooks Take the Brass Ring.

In a variation on a recently seen theme in which scammers pose as buyers on e-commerce platforms, victims in Singapore are being taken in by people offering to buy goods from them.

[FREE RESOURCE KIT] Cybersecurity Awareness Month 2022 Now Available

Cybersecurity Awareness Month is right around the corner, and we’ve got you covered! Your complimentary resource kit for 2022 is now available.

[Whoa] Ransomware Strains Almost Double in Six Months from 5,400 to 10,666

A recent report from FortiGuard Labs saw ransomware strains double in total so far compared to 2021, and the year is not over yet.

Piggybacking: Social Engineering for Physical Access

Tailgating or piggybacking is an old but effective social engineering technique to gain physical access to restricted areas, according to Rahul Awati at TechTarget. Tailgating is when a ...

One-Third of Organizations Experience Ransomware Attacks At Least Weekly

New data shows attempted ransomware attacks are occurring far more frequently while a lack of confidence is found in security measures and solutions to stop ransomware attacks.