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

Phishing Campaign Abuses Legitimate Services to Send PayPal Requests

A phishing campaign is abusing Microsoft 365 test domains to send legitimate payment requests from PayPal, according to Fortinet’s CISO Dr. Carl Windsor.

Malicious WordPress Plugin Assists in Phishing Attacks

Researchers at SlashNext warn that cybercriminals are using a WordPress plugin called “PhishWP” to spoof payment pages and steal financial information.

[BUDGET AMMO DEPT] WSJ: "Cybersecurity Is the King of Business Worries"

Kim S. Nash, the Deputy Bureau Chief at the Wall Street Journal who owns the cybersecurity beat wrote in her newsletter today: "Forget trade wars and turnovers in national leadership. ...

Phishing for Gamers: Fake Offers Invite Gamers to Test New Gaming Titles

A phishing campaign is targeting users with phony offers to beta test new video games, according to researchers at Malwarebytes.

Credential Phishing Increased by 703% in H2 2024

Credential phishing attacks surged by 703% in the second half of 2024, according to a report by SlashNext. Phishing attacks overall saw a 202% increase during the same period.

Tax-Themed Phishing Campaign Delivers Malware Via Microsoft Management Console Files

Securonix warns that tax-themed phishing emails are attempting to deliver malware via Microsoft Management Console (MSC) files.

FTC Warns Immigrants About Rising Social Media Immigration Scams

The Federal Trade Commission (FTC) has issued an urgent warning about a surge in immigration scams targeting immigrants and their families on social media platforms like Facebook.