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

Recent Artificial Intelligence Hype is Used for Phishbait

Curiosity leads people to suspend their better judgment as a new campaign of credential theft exploits a person’s excitement about the newest AI systems not yet available to the general ...

CyberheistNews Vol 13 #15 [The New Face of Fraud] FTC Sheds Light on AI-Enhanced Family Emergency Scams

CyberheistNews Vol 13 #15 | April 11th, 2023 [The New Face of Fraud] FTC Sheds Light on AI-Enhanced Family Emergency Scams The Federal Trade Commission is alerting consumers about a ...

[Free Tool] See Which Users Are Susceptible to Risky Security Behavior with SecurityCoach Free Preview!

The human factor is involved in 82% of data breaches, according to the 2022 Verizon Data Breach Investigations Report. Cybercriminals use social engineering techniques like phishing, ...

[Jaw-Dropper] FTX's Cybersecurity Was Hilariously Bad

4/11/2023 - Gizmodo just dropped this eye-roll inducing news. The disgraced crypto exchange had no dedicated cybersecurity staff and "protected" users assets with minimal safeguards, ...

Alarming Tax Phishing Campaign Targets US with Malware

Researchers at Securonix are tracking an ongoing phishing campaign dubbed “TACTICAL#OCTOPUS” that’s been targeting users in the US with tax-related phishing emails.

[INFOGRAPHIC] The Forrester Total Economic Impact™ of KnowBe4 by the Numbers

KnowBe4 commissioned Forrester Consulting to conduct a Total Economic ImpactTM study* examining the potential Return on Investment (ROI) enterprises might realize by deploying KnowBe4's ...

Your KnowBe4 Fresh Content Updates from March 2023

Check out the 49 new pieces of training content added in March, alongside the always fresh content update highlights, events and new features.

Recently Exposed North Korean Threat Actor APT43 Targeting Organizations With Spear Phishing

Google’s Threat Analysis Group (TAG) has published a report describing the activities of “ARCHIPELAGO,” a subset of the North Korean state-sponsored threat actor APT43. ARCHIPELAGO’s ...

New Emotet Phishing Campaign Pretends to be the IRS Delivering W-9 Forms

A newly documented phishing campaign demonstrates how timely themes can be impactful in creating a successful attack that gets the recipient to engage with malicious content.

FBI: Business Email Compromise Attacks Are Being Used to Make Bulk Goods Purchases from Vendors

A new public service announcement focuses on a specific form of BEC attack using little more than a spoofed domain and common vendor payment practices to steal hardware, supplies and more.