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.

Books

Cyberheist E-Book

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POLL: "YOU are in IT. Is it OK what the NSA is doing?"

Jun 10, 2013 8:52:00 PM By Stu Sjouwerman

A new Washington Post-Pew Research Center poll asked Americans if they consider the NSA's practice of obtaining telephone calls and email through secret court orders "acceptable." As the ...

Data Breach Costs: 10 Ways You're Making It Worse

Jun 10, 2013 11:14:00 AM By Stu Sjouwerman

Inadequate response plans and poorly executed procedures caused data breach costs to rise significantly at some businesses, according to the Ponemon Institute. Mistakes, negligence and ...

Citadel 'Shutdown' Just A Microsoft PR Move

Jun 9, 2013 10:11:00 AM By Stu Sjouwerman

It was all over the news. The Citadel botnet responsible for stealing more than 500 million dollars out of bank accounts from both individuals and organizations worldwide has been largely ...

Did China Leak Prism Deliberately?

Jun 8, 2013 10:54:00 AM By Stu Sjouwerman

UPDATED June 9: 16:51p - In an interview with TechCrunch, Eugene H. Spafford, a computer science professor at Purdue and a noted expert in computer security observed something ...

VIDEO: They Gave Me 90 Seconds...

Jun 7, 2013 6:01:00 PM By Stu Sjouwerman

Our VP Channel asked me to record a 90-second elevator pitch why next-generation security awareness training is necessary to keep your network secure. Here it is! (pant, pant...)

46 Percent Of Hospital’S Hacked Money Gone For Good

Jun 7, 2013 1:06:00 PM By Stu Sjouwerman

Chelan County Treasurer David Griffiths says Leavenworth's hospital district stands to recover less than half the $1 million stolen in an online banking theft. About $415,000 has been ...

New Fun Little Quiz: How Phish-prone Are You?

Jun 7, 2013 12:11:00 PM By Stu Sjouwerman

We created a fun new little quiz you could send to your users!

CyberheistNews Vol 3, #23

Jun 4, 2013 9:39:00 AM By Stu Sjouwerman

How the Syrian Electronic Army Hacked The Onion

Jun 3, 2013 5:48:00 PM By Stu Sjouwerman

This is a write-up of how the Syrian Electronic Army hacked The Onion using spear-phising. In summary, they phished Onion employees’ Google Apps accounts via 3 separate methods. From ...

Cybercrime Targets: C-Level execs, HR managers and System Admins

Jun 3, 2013 3:10:00 PM By Stu Sjouwerman

According to a recent research of Group-IB on cybercrime, senior management is considered among most popular targets.

Interesting Infection Danger Numbers

Jun 1, 2013 10:16:00 AM By Stu Sjouwerman

Symantec just released a white paper where they compared their product with 6 other enterprise endpoint security products. They had AV-Test do the review, and they included above graph to ...

Top 5 System Admin Hate Votes

May 28, 2013 5:45:00 PM By Stu Sjouwerman

May 22, the question was asked on Spiceworks: "What is your IT-related arch nemesis?". More than 200 replies came in. We tabulated (and somewhat normalized) the main things that generate ...

The Seven Deadly Social Engineering Vices

May 27, 2013 10:55:00 AM By Stu Sjouwerman

(updated June 17, 2015) You may not be aware that there is a scale of seven deadly vices connected to social engineering. The deadliest social engineering attacks are the ones that have ...

CyberheistNews Vol 3 #22

May 27, 2013 9:42:00 AM By Stu Sjouwerman

Webroot Spots NATO Job Apps Lead To Malware

May 26, 2013 10:35:00 AM By Stu Sjouwerman

This one qualifies as a Scam Of The Week and it's a good one to forward to your employees.

0-Day Threats and Security Awareness

May 23, 2013 10:34:00 AM By Stu Sjouwerman

OK, we all know that there is a lively trade in 0-day threats. Often this is an unknown vulnerability in a popular browser that is not fixed yet. Microsoft recently announced they fixed ...

Your Opinion Please! Family Online Safety

May 22, 2013 9:06:00 AM By Stu Sjouwerman

CyberheistNews Vol 3, # 21

May 20, 2013 3:00:00 PM By Stu Sjouwerman

CyberheistNews Vol 3, # 21

End-user awareness is the missing link in cyber security

May 18, 2013 8:38:00 AM By Stu Sjouwerman

This article appeared originally at Government Security News Fri, 2013-05-17 03:56 PM By: Megan Horner Megan Horner Nobody can argue that cyber security and data privacy have become hot ...

Phishing Scam Of The Week: Walmart.com

May 17, 2013 9:50:00 AM By Stu Sjouwerman

Wal-Mart took special effort this week and warned customers of an unusually 'high quality' phishing email that tries to get personal and credit information. They stated on their corporate ...

Security Awareness Training Blog

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Stu Sjouwerman

Books

Recent Posts

POLL: "YOU are in IT. Is it OK what the NSA is doing?"

Data Breach Costs: 10 Ways You're Making It Worse

Citadel 'Shutdown' Just A Microsoft PR Move

Did China Leak Prism Deliberately?

VIDEO: They Gave Me 90 Seconds...

46 Percent Of Hospital’S Hacked Money Gone For Good

New Fun Little Quiz: How Phish-prone Are You?

CyberheistNews Vol 3, #23

How the Syrian Electronic Army Hacked The Onion

Cybercrime Targets: C-Level execs, HR managers and System Admins

Interesting Infection Danger Numbers

Top 5 System Admin Hate Votes

The Seven Deadly Social Engineering Vices

CyberheistNews Vol 3 #22

Webroot Spots NATO Job Apps Lead To Malware

0-Day Threats and Security Awareness

Your Opinion Please! Family Online Safety

CyberheistNews Vol 3, # 21

End-user awareness is the missing link in cyber security

Phishing Scam Of The Week: Walmart.com

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