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

Employees Are the Reason 70% of Financial Companies Have Suffered Security Incidents in the Last Twelve Months

The latest data from cybersecurity vendor Clearswift shows untrained employees are clearly the source of incidents that plague an overwhelming majority of companies in the financial ...

Video Becomes the Next Big Bait for Social Engineering

Scammers are always looking for new ways to get potential victims to engage. It appears that the latest trend is to leverage our familiarity with watching video to spawn an attack.

Only 5% of U.S. Healthcare Employees Receive Continual Cybersecurity Awareness Training

A recent report by security vendor Kaspersky highlights how healthcare organizations are at risk of cyberattack – and how a lack of training is responsible.

How Can You Check If Your Email Is Compromised?

Rudy Friederich, a KnowBe4 friend at Marshal Security LLC sent me the following interesting tips related to finding out if you are the victim of Business Email Compromise. He wrote:

Global Phishing Campaign Targets Universities

Researchers at Secureworks’ Counter Threat Unit (CTU) have been tracking a major phishing campaign that’s using library-themed emails to target more than sixty universities around the ...

Cyber security remains the biggest threat to business in Africa

CAPE TOWN – African business owners who attended the World Economic Forum (WEF) on Africa in Cape Town have flagged cybersecurity as the biggest threat to business.

KnowBe4 #4 on eSecurity Planet Top 15 Cybersecurity Companies

We were excited to hear that eSecurity Planet worked with Gartner and Cybersecurity Ventures to compile a ranking of the Top Cybersecurity Companies. They listed the Top 15 and KnowBe4 ...

Phishing Nightmare? New "Deadline" Email From Equifax Settlement Administrator Notifies of Changes in Filing.

You’d better check your email queue for a new email from The Equifax Breach Settlement Administrator that was sent out several days ago to those who previously filed a claim. It will ...