Stu Sjouwerman

Chief Executive Officer & President

Stu Sjouwerman (pronounced “shower-man”) is the founder and CEO 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.

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China Threat Actor Targets Individuals and Entities in Japan Via Spear Phishing Campaign

Dec 2, 2024 2:42:53 PM By Stu Sjouwerman

Researchers at Trend Micro warn that the China-aligned threat actor Earth Kasha has launched a new spear phishing campaign targeting individuals and organizations in Japan.

The Cruel Twist: When Fake Firing Leads to Real Hacking

Dec 2, 2024 2:42:51 PM By Stu Sjouwerman

Cybercriminals are constantly evolving their tactics to exploit our vulnerabilities. A recent phishing campaign has taken this to a new low, preying on people's fear of job loss to trick ...

[NEW PRODUCT]: KnowBe4’s AIDA: Revolutionizing Security Awareness Training with AI-Powered Automation and Personalization

Dec 2, 2024 10:57:00 AM By Stu Sjouwerman

Technological advances in artificial intelligence (AI) are only making the ongoing problem of social engineering worse.

Security Awareness Training Blog

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Stu Sjouwerman

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Recent Posts

China Threat Actor Targets Individuals and Entities in Japan Via Spear Phishing Campaign

The Cruel Twist: When Fake Firing Leads to Real Hacking

[NEW PRODUCT]: KnowBe4’s AIDA: Revolutionizing Security Awareness Training with AI-Powered Automation and Personalization

Malicious Loan Apps Target Android Users in Africa, South America and Asia

Nearly Every Hacker Believes AI Tools Have Created a New Attack Vector

75% of Black Friday Spam Emails Are Scams

[New!] Check Out These Powerful New KnowBe4 AI Features

Chinese Threat Actor Targets Black Friday Shoppers With Phishing Campaign

U.K. Residents are Victims of the Latest Phishing Scam Targeting Starbuck Customer Credentials

CyberheistNews Vol 14 #48 [Eye Opener] Phishing Attacks Now Exploit Visio and SharePoint Files

Phishing Emails Use SVG Files to Avoid Detection

[Heads Up] Bad Actor Uses Deepnude AI Image Generator to Lure And Infect Users

Phishing Attacks Exploits the Open Enrollment Period

Ransomware Gangs Evolve: They're Now Recruiting Penetration Testers

Out of 29 Billion Cybersecurity Events, Phishing was the Primary Method of Initial Attack

Threat Actors are Sending Malicious QR Codes Via Snail Mail

A New Era In Human Risk Management:Introducing KnowBe4 HRM+

CyberheistNews Vol 14 #47 Step-by-Step To Creating Your First Realistic Deepfake Video in a Few Minutes

Phishing Attacks Exploit Microsoft Visio Files and SharePoint

Half of all Ransomware Attacks This Year Targeted Small Businesses

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