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

Researchers Discover Most Microsoft 365 Admins Don't Enable Multi-Factor Authentication

Researchers from CoreView recently discovered that 97% of all total Microsoft 365 users do not utilize multi-factor authentication (MFA). A staggering 78% of Microsoft 365 admins do not ...

"Berserk Bear", The Russian Hackers Playing ‘Chekhov’s Gun’ With US Infrastructure

In an advisory warning published last week by the Department of Homeland Security’s Cybersecurity and Infrastructure Security Agency (CISA), the government notified the public of a ...

Could A Botched Ransomware Attack Have Caused The Massive Mauritius Oil Spill?

I found a super interesting and at the same time scary article at Forbes by Nishan Degnarain about the cyber vulnerabilities of these massive oil tankers and container ships. It's ...

[HEADS UP] Remote Workers Disregard Security Awareness Training

According to new research from Mimecast, remote workers are increasingly putting their organizations at risk by failing to follow security awareness training best practices.

Couple Avoids Becoming a Victim to Publishers Clearing House Scam

An elderly couple in Tennessee avoided falling victim to a scam by recognizing the signs of social engineering, WREG reports. Kay and Bill Pritchett received six different phone calls ...

[HEADS UP] Cybercriminals Threaten Patients in Clinic Data Breach

In a recent report by BBC News, patients in a large clinic in Finland have been blackmailed using social engineering after their data was stolen.

[HEADS UP] Fraudsters are Exploiting High Demand Air Freight

Scammers are exploiting the high demand for air freight brought on by the COVID-19 pandemic, the Loadstar reports. Charter veteran Steve Manser told the publication that fraudsters are ...

[INFOGRAPHIC] 20 Ways to Build Your Security Fortress From Anywhere

Whether you and your users are working remotely or in the office, it’s essential to be aware of cybersecurity threats. Here at KnowBe4, we’re committed to help your users make smarter ...

Members of the Cybercrime Group Responsible for NotPetya Indicted by U.S. Government

Six members of the Russian hacker group known as Sandworm who have carried out some of the most well-known cyberattacks in the last 6 years appear to have been brought to justice.