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

Bravo Host Andy Cohen Scammed Out of a “Sizable” Amount of Money by Fraudsters Posing as the Bank

Bravo host Andy Cohen tells how he became the victim of an impersonation scam that gave scammers access to control his bank account.

Your KnowBe4 Compliance Plus Fresh Content Updates from January 2024

Check out the January updates in Compliance Plus so you can stay on top of featured compliance training content.

Your KnowBe4 Fresh Content Updates from January 2024

Check out the 37 new pieces of training content added in January, alongside the always fresh content update highlights, events and new features.

Houston, We Have a 2024 China Problem

Russia is not the only global problem that democracy has to deal with. The Chinese regime ran large influence campaigns, attempting mass social engineering in the U.S. 2022 midterm ...

The Number of Ransomware Attack Victims Surge in 2023 to over 4000

The surge in Ransomware-as-a-Service affiliates is likely the reason behind the dramatic increase in the number of victimized organizations, with all indicators suggesting that this trend ...

HP Enterprise Reveals It was hacked by the same Russians that broke into Microsoft

In a new SEC disclosure, Hewlett Packard Enterprise (HPE) announced on Wednesday that it fell prey to the same Russian intelligence group, known as Midnight Blizzard or Cozy Bear, that ...

New Evasive Phishing Technique “Legacy URL Reputation Evasion" (LURE)

Researchers at Menlo Security observed a 198% increase in browser-based phishing attacks over the past six months.

Social Engineering Attacks Rising in the Trucking Industry

Spear phishing and voice phishing (vishing) are on the rise in the trucking industry, according to a new report from the National Motor Freight Traffic Association (NMFTA).

New Deepfake Video Scam has “Taylor Swift” Offering Free French Cookware

A new wave of ads utilizing video of well-known celebrities seemingly promoting video games, fake giveaways, and more are starting to popup, and fans are falling for this trap.

Use of Generative AI Apps Jumps 400% in 2023, Signaling the Potential for More AI-Themed Attacks

As the use of Cloud SaaS platforms of generative AI solutions increases, the likelihood of more “GPT” attacks used to gather credentials, payment info and corporate data also increases.