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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CTO of media company faked-out employees with "phishing" emails

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

There is a fascinating article in SC Magazine dated July 3, 2013 which tells the story of Atlantic Media Chief Technology Officer Tom Cochran, who blasted out a simulated phishing email ...

Five Ways Your Employees Can Kill Your Company

Jul 6, 2013 1:17:00 PM By Stu Sjouwerman

One - Insider Threat: Stealing valuable information for either profit or idealistic motives. Examples: Software developers taking home code for their next job, sales people downloading ...

The Inevitability Of "The Click"

Jul 3, 2013 4:17:00 PM By Stu Sjouwerman

From the 2013 Verizon Data Breach Investigations Report. Note that i t only takes 20 emails to get one successful click on a phishing attack. Read the story above!

FBI Warns of Spear-Phishing Attacks

Jul 2, 2013 1:17:00 PM By Stu Sjouwerman

Spear-phishing attacks are up, and they are targeting individuals across all industries, according to a new warning issued by the U.S. Federal Bureau of Investigation .

CyberheistNews Vol 3, 27

Jul 1, 2013 3:24:00 PM By Stu Sjouwerman

CyberheistNews Vol 3, # 27

How Zombie Phones Could Create a Gigantic, Mobile Botnet

Jun 27, 2013 3:44:00 PM By Stu Sjouwerman

Seen "World War Z" recently? Your mobile phone might soon be infected and become a zombie.

Why Business Is Losing The War Against Cybercrime

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

Price Waterhouse (PwC) and CSO Magazine just released their 2013 State of Cybercrime Survey. It shows that lack of risk awareness means companies are poorly defended. This is their 11th ...

Avoiding Dodgy Web Sites No Longer Works To Stay Safe

Jun 25, 2013 5:18:00 PM By Stu Sjouwerman

If in the past your way to stay safe on the Web was to not visit dodgy sites like gambling, porn, piracy or other "unsafe district" locations, that strategy no longer works. Google ...

Great Video Illustrates Need For Security Awareness Training

Jun 25, 2013 10:38:00 AM By Stu Sjouwerman

CyberheistNews Vol 3, 26

Jun 25, 2013 9:20:00 AM By Stu Sjouwerman

CyberheistNews Vol 3, # 26

System Administrator Appreciation Day Is Coming Soon!

Jun 24, 2013 10:51:00 AM By Stu Sjouwerman

I wanted to make sure everyone was aware of an important, upcoming holiday. No, it is not the 4th of July (although that is almost here, too)... it's System Administrator Appreciation ...

Snowden Exfiltrated NSA Files On Thumb Drive

Jun 18, 2013 4:47:00 PM By Stu Sjouwerman

It appears that Edward Snowden used a thumb drive to exfiltrate the Top Secret files documents from NSA's network. The US DoD banned the use of flash drives in 2008 after Defense systems ...

CyberheistNews Vol 3, # 25

Jun 18, 2013 9:25:00 AM By Stu Sjouwerman

CyberheistNews Vol 3, # 25

Scam Of The Week: CIA Prism Watchlist

Jun 18, 2013 9:01:00 AM By Stu Sjouwerman

Scam Of The Week: CIA Prism Watchlist Just this morning, a researcher discovered an email uploaded to Virustotal called CIA's_prism_Watchlist_.eml. The content refers to Snowden, and the ...

SlideShare Puts Us On Front Page!

Jun 17, 2013 3:02:00 PM By Stu Sjouwerman

The super popular SlideShare site has featured our Seven Social Engineering Vices slide deck on their front page for a short time. Here is what they sent me!

The Three Types Of Cyberattacks

Jun 17, 2013 9:54:00 AM By Stu Sjouwerman

Eugene Kaspersky recently gave one of his very rare interviews. He was in Israel for a staff recruitment tour, and was quoted saying:"

Kevin And I Were on FOX TV Wednesday

Jun 14, 2013 8:21:00 AM By Stu Sjouwerman

Kevin Mitnick and I were both interviewed on FOX TV about how to fight hackers, and what hackers are after these days. You will see Kevin, me, the KnowBe4 office and some of the KnowBe4 ...

New on SlideShare: The Seven Deadly Social Engineering Vices

Jun 13, 2013 10:11:00 AM By Stu Sjouwerman

The Seven Deadly Social Engineering Vices blog post has been viewed well over 11,000 times and has gone viral. That's why we created a (much prettier) SlideShare version for you which you ...

New Top 10 IT Security Myths That Put You At Risk

Jun 12, 2013 11:16:00 AM By Stu Sjouwerman

CyberheistNews Vol 3, # 24

Jun 11, 2013 9:08:00 AM By Stu Sjouwerman

CyberheistNews Vol 3, # 24

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Stu Sjouwerman

Books

Recent Posts

CTO of media company faked-out employees with "phishing" emails

Five Ways Your Employees Can Kill Your Company

The Inevitability Of "The Click"

FBI Warns of Spear-Phishing Attacks

CyberheistNews Vol 3, 27

How Zombie Phones Could Create a Gigantic, Mobile Botnet

Why Business Is Losing The War Against Cybercrime

Avoiding Dodgy Web Sites No Longer Works To Stay Safe

Great Video Illustrates Need For Security Awareness Training

CyberheistNews Vol 3, 26

System Administrator Appreciation Day Is Coming Soon!

Snowden Exfiltrated NSA Files On Thumb Drive

CyberheistNews Vol 3, # 25

Scam Of The Week: CIA Prism Watchlist

SlideShare Puts Us On Front Page!

The Three Types Of Cyberattacks

Kevin And I Were on FOX TV Wednesday

New on SlideShare: The Seven Deadly Social Engineering Vices

New Top 10 IT Security Myths That Put You At Risk

CyberheistNews Vol 3, # 24

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