Stu Sjouwerman is the CEO and founder of KnowBe4

Stu Sjouwerman

Founder & CEO, KnowBe4, Inc.

Stu Sjouwerman is founder and CEO of KnowBe4, provider of the world’s largest security awareness training and simulated phishing platform used by more than 65,000 organizations around the globe. He was co-founder of Sunbelt Software, the anti-malware software company acquired in 2010. He is the author of four books, including Cyberheist: The Biggest Financial Threat Facing American Businesses.

Latest from Stu Sjouwerman

Hacker typing on a laptop with a digital overlay
Vulnerabilities & Threats
Where Hackers Find Your Weak SpotsWhere Hackers Find Your Weak Spots
byStu Sjouwerman
Apr 22, 2024
4 Min Read
CISA logo
Vulnerabilities & Threats
CISA's Road Map: Charting a Course for Trustworthy AI DevelopmentCISA's Road Map: Charting a Course for Trustworthy AI Development
byStu Sjouwerman
Jan 19, 2024
4 Min Read

All from Stu Sjouwerman

Man ripping a piece of paper with the word TRUST on it
Vulnerabilities & Threats
How to Mitigate Cybersecurity Risks From Misguided Trust
How to Mitigate Cybersecurity Risks From Misguided Trust
Sep 15, 2023
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4 Min Read
byStu Sjouwerman, Founder & CEO, KnowBe4, Inc.
The word "password" under a magnifying glass, surrounded by 1s and 0s.
Vulnerabilities & Threats
How Password Managers Can Get Hacked
How Password Managers Can Get Hacked
Apr 11, 2023
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5 Min Read
byStu Sjouwerman, Founder & CEO, KnowBe4, Inc.
Cyberattacks & Data Breaches
DMARC 101: How to Keep Phishing Attacks Out of Your Inbox
DMARC 101: How to Keep Phishing Attacks Out of Your Inbox
Aug 25, 2021
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4 Min Read
byStu Sjouwerman, Founder & CEO, KnowBe4, Inc.
logo in a gray background |
Endpoint Security
Tax Season Surprise: W-2 Fraud
Tax Season Surprise: W-2 Fraud
Apr 11, 2017
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5 Min Read
byStu Sjouwerman, Founder & CEO, KnowBe4, Inc.

Editor's Choice

The words "zero-day" written in a line of code on a computer screen
Application Security
Microsoft NTLM Zero-Day to Remain Unpatched Until AprilMicrosoft NTLM Zero-Day to Remain Unpatched Until April
byJai Vijayan, Contributing Writer
Dec 9, 2024
3 Min Read
A glowing purple and pink key, with dots and numbers in the background
Cyber Risk
Symmetrical Cryptography Pioneer Targets the Post-Quantum EraSymmetrical Cryptography Pioneer Targets the Post-Quantum Era
byKristina Beek, Associate Editor, Dark Reading
Dec 11, 2024
3 Min Read
A patchwork quilt
Application Security
Actively Exploited Zero-Day, Critical RCEs Lead Microsoft Patch TuesdayMicrosoft Fixes Active Zero-Day, Critical RCEs on Patch Tuesday
byTara Seals, Managing Editor, News, Dark Reading
Dec 10, 2024
5 Min Read
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