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

You Have A Special Valentine's Day Message!

Another Home Buyer Falls Victim to a Business Email Compromise Scam

A man in Portland, Oregon lost $123,000 after falling victim to a real-estate scam, according to Michele Lerner at The Washington Post. In December, Aaron Cole and his family were about ...

Massive Increases in Trojans and Backdoor Attacks More Than Double, Spelling Trouble for Organizations

Growth in attacks designed to obfuscate access and purpose should put organizations on alert as cybercriminals gain control over endpoints to do just about anything they want.

One-Third of Organizations Aren’t Ready to Combat Cybersecurity Attacks, Despite Increases in Security Spend

The latest data from eSecurityPlanet highlights that organizations have a lot of work to do to ensure they are secure in the face of a shortage of cybersecurity professionals.

New Phishing Attack Uses Google Translate to Spoof Login Page and Fool Victims

A clever use of Google Translate fools victims into believing spoofed authentication requests are being handled by Google itself.

Data Breaches Result in Lost Customer Confidence Costing Organizations More than Just Fines

Consumers have spoken: According to new data, the majority of your organization’s customers won’t do business with you after a data breach and expect you to pay to protect their personal ...

[On-demand Webinar] Get an Insider View Into the Methods and Exploits of the World's Most Famous Hacker, Kevin Mitnick

Many of the world's most reputable organizations rely on Kevin Mitnick, the world's most famous hacker and KnowBe4's Chief Hacking Officer, to uncover their most dangerous security flaws. ...

Scammers Still Exploit Hijacked GoDaddy Domains

Criminals are still using hijacked GoDaddy domains to launch large-scale spam campaigns, despite GoDaddy taking steps last month to address the authentication flaw exploited by the ...

A Majority of Cyberattacks Use Lateral Movement and “Living Off the Land”

The latest from Carbon Black’s 2019 Global Threat Report shows cybercriminals are intent to move from endpoint to endpoint and avoid detection using built-in tools.