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

One Out of Five Organizations Must Improve Their Security Posture to be Eligible for Cyber Insurance

As insurers become more educated on what a “secure organization” looks like, they are tightening their requirements that puts the onus on organizations to be more secure.

Healthcare Industry Witnesses 279% Increase in Business Email Compromise Attacks in 2023

The massive uptick in business email compromise (BEC) is considered one of the costliest attack types, requiring organizations to put employees on notice to stay vigilant.

Energy Sector Experiences Three Times More Operational Technology Cybersecurity Incidents Than Any Other Industry

While industries like financial services and healthcare tend to dominate in IT attacks, the tables are turned when looking at Operational Technology (OT) cyber attacks – and the energy ...

Stay a Step Ahead of your #1 Downtime Threat - Business Email Compromise

A new report from Secureworks has found that business email compromise (BEC) remains “one of the most financially damaging online crimes overall for orgs” in 2023. The security firm’s ...

Clorox Experiences Significant Financial Loss Stemming From Recent Cyber Attack

American global manufacturer of cleaning products Clorox stated that recent sales and profit loss were related to a cyber attack.

[Risky New Data] More than Half of Phishing Scams Now Use Obfuscation

A new report shows staggering phishing trends using obfuscation techniques that should make any organization feel worried.

New Gartner Forecast Shows Global Security and Risk Management Spending to Increase by 14% in 2024

Gartner issued a press release that forecasted global security and risk management end-user spending to reach $188.1 billion, along with worldwide end-user spending on security and risk ...

[FREE RESOURCES] Celebrate Cybersecurity Awareness Month This October with our Cyber-Monsters!

Cyber threats can be scary, and for good reason.

Senior Executives Beware: The Rise of EvilProxy Phishing Campaigns

Menlo Security warns that a social engineering campaign is using the EvilProxy phishing kit to target senior executives across a range of industries, including banking and financial ...

Open-Source Intelligence (OSINT): Learn the Methods Bad Actors Use to Hack Your Organization

They are out there, watching and waiting for an opportunity to strike; the bad actors who have carefully researched your organization in order to set the perfect trap using easily found ...