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

Temporary Social Security Number? No Such Thing

Researchers at Kaspersky have come across an interesting phishing site that’s posing as a data leak protection service set up by the US government. The site purports to be compensating ...

Emotet Trojan Intelligently Targets Organizations, Impersonates Victims to Improve Attack Success

According to new insights from Cisco Talos, this banking malware is getting nastier as it moves into the island hopping space via email attacks using social engineering.

Phishing Attacks Are the Number One Data Breach Attack Vector in the U.K.

The latest cyber attack trend data in the U.K. shows the majority of data breaches in 2019 began with a phishing attack. Security consulting firm CybSafe analyzed three years of the ...

U.K. Report: "We’re Doomed-Passwords Aren’t Strong or Secure"

A recent survey of over 2,000 U.K. broadband users shows that individuals don’t use good password hygiene or secure storage to protect themselves against future cyberattacks.

Cyber Incidents Are the Top Concern Among Executives

Businesses are finally realizing the continually present threat that hackers, scammers, and cybercrime organizations pose, according to new data from insurer Allianz.

Now That Ransomware Has Gone Nuclear, How Can You Avoid Becoming the Next Victim?

There is a reason more than half of today’s ransomware victims end up paying the ransom. Cyber-criminals have become thoughtful; taking time to maximize your organization’s potential ...

Bad Guys Built A Completely Fake News Website For A Bitcoin Phishing Scam

The Central Bank of Malta has issued a statement warning people about a bitcoin phishing scam being pushed by a spoofed news website, the Times of Malta reports. The site imitated a ...

Leaving Windows 7 in Production Puts You at High Risk of Ransomware Attack

Microsoft end-of-support for Windows 7 means systems will remain unpatched, creating an opportunity for future ransomware attacks to wreak havoc.

Business Disruption is the Prominent Result for All Cyberattacks

New data from security vendor CrowdStrike shows that the bad guys are getting better at avoiding detection and are having a substantial financial impact on operations.