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

Celebrity Hacks and the Frenzy of Renown

Avast offers a look at incidents in which celebrities have been the victim of social engineering attacks. The firm notes that while celebrities are higher profile targets, attackers use ...

Phishing Campaign Targets Organizations in India and Afghanistan

A threat actor based in Pakistan is targeting entities in India and Afghanistan with malware-laden websites, according to researchers at Cisco Talos.

New Impersonation Attack Demonstrates That Threat Actors Don’t Need to Get the Logo Correct

A new trend in social engineering and impersonation emerges as cybercriminals take advantage of a user’s inability to properly identify fake corporate logos in phishing attacks.

Cybercriminal Group SnapMC Takes a Page from Ransomware Gangs in Data Breach-Turned-Extortion Attacks

New analysis of attacks shows threat actors that traditionally focus on stealing data are now utilizing extortion as their monetization strategy, converging tactics with ransomware ...

Deepfake Technology is Cloning a Voice from the C-Suite

Criminals used deepfake technology to steal $35 million from a company in the United Arab Emirates, Forbes reports. The attackers used “deep voice” technology to spoof the voice of a ...

Why Security Awareness Testing Alone Isn’t Enough

Here is a story from one of our customers who wants to help other organizations like you strengthen their cybersecurity practices. Find out about the important lessons they learned when ...

1 in 3 IT Organizations Have no Cyberattack Incident Response Plan

Despite increases in ransomware attacks, ransom amounts and how often payments are made, new data shows organizations aren’t responding in kind and putting incident response plans in ...

Ex-Bank of America Employee Charged with Business Email Compromise Money Laundering

A three-person team – including a personal banker at Bank of America – have been indicted for reportedly being behind a BEC scam that took 5 companies for over $1.1 Million.

We Are Official Guinness World Records Holders!

It gives us great pleasure to announce that Eskenzi PR, KnowBe4 and OneLogin now hold the Guinness World Records® title for the Most views of a cybersecurity lesson video on YouTube in 24 ...