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

Annual Ransomware Payments Surpass $1 Billion

For the first time, analysis of ransomware payments made in a single year tops $1,000,000,000. This signals a massive return to more frequent, sophisticated, and successful attacks.

Swiss Government Identified 10,000 Phishing Websites Impersonating 260 Brands

Attacks targeting Swiss residents increased 10% last year, according to newly-released data that shows a growth in not just phishing attacks, but brand impersonation at purely a national ...

Your KnowBe4 Compliance Plus Fresh Content Updates from February 2024

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

Face off: New Banking Trojan steals biometrics to access victims’ bank accounts

Venturebeat had the scoop on a fresh Group-IB report. They discovered the first banking trojan that steals people’s faces. Unsuspecting users are tricked into giving up personal IDs and ...

Nearly One in Three Cyber Attacks In 2023 Involved The Abuse of Valid Accounts

Thirty percent of all cyber incidents in 2023 involved abuse of valid credentials, according to IBM X-Force’s latest Threat Intelligence Index. This represents a seventy-one percent ...

Data Breach at French Healthcare Payment Processor Puts 20 Million Policyholders at Risk

A single account being phished caused millions of French healthcare policyholder records to be breached.

Your KnowBe4 Fresh Content Updates from February 2024

Check out the 29 new pieces of training content added in February, alongside the always fresh content update highlights, events and new features.

Exposed: Global Espionage Unleashed by China's Police in Groundbreaking Leak

[DEVELOPING STORY] I get my news from a very wide variety of sources. One is the venerable SpyTalk news that lives in Substack. They just reported something pretty astounding. Here are ...

QR-Code Attacks Target the C-Suite 42 Times More than Standard Employees

QR-code attacks leveraging QR-codes are kicking into high gear and becoming a common method used in phishing attacks, according to new data from Abnormal Security.