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

New scary good deepfake videos of Tom Cruise show the threat to society is very real

InputMag wrote: "We are entering scary times. New deepfake videos of actor Tom Cruise have made their way onto TikTok under the handle @deeptomcruise, and boy do they look real.

[Heads Up] Ransomware and Phishing Attacks Are Not Going Away in 2021

According to three reports published last week, the bad guys have improved their popular tactics with phishing and ransomware attacks. The attacks involving fake COVID-19 scams and remote ...

The Dilemma: Best-of-Breed Stand-Alone or a Bundled Suite of tools?

Over the last few decades, survey after survey has shown that if IT Administrators had their way, the vast majority of them prefer a hand-picked set of best-of-breed point solutions over ...

Phishing Targets Industrial Control Systems

Phishing continues to be a primary initial access vector in cyberattacks against industrial control systems, according to researchers at Dragos. Out of the fifteen threat groups tracked ...

Bogus FedEx and DHL Phishbait

Researchers at Armorblox describe an ongoing phishing campaign that’s using phony FedEx and DHL shipping notifications as phishing lures.

More NHS-Themed COVID-19 Vaccine Phishing

A phishing campaign spoofing the UK’s National Health Service has surged its output, Infosecurity Magazine reports. Researchers at Mimecast warn that the attackers behind the campaign are ...

[HEADS UP] Texas Electric Company Warns of Scam Involving Losing Power

With the recent weather crisis in Texas, victims are afraid their power could be cut off. One electric utility company in Texas warns of scams that are threatening customers that their ...

The First Documented Russian Hack in...1981?

I'm reading "Active Measures: The Secret History of Disinformation and Political Warfare" by Thomas Rid and wanted to share this story with you which was new to me! It's warmly ...

U.K. Phishing Attack Targets Those Seeking the COVID-19 Vaccine

This latest phishing scam impersonates the UK’s National Health Service, telling recipients that are eligible for the vaccine in order to collect valuable banking and credit card details.