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

Find all of Stu's books on Amazon

Beware Cross-Channel Cybercrime Threats!

Feb 9, 2011 7:59:40 AM By Stu Sjouwerman

Shoot! Anybody with a smidgen of Web security history under his or her belt winces as soon as the word "cross" comes up as a modifier, thanks to the legions of exploits based on ...

Cybercrime: The Bigger They Are, The More They Get Attacked

Feb 7, 2011 11:34:09 AM By Stu Sjouwerman

The Wall Street Journal reported on Saturday (2/5/2011) that it learned that the computer network for the Nasdaq OMX Group has been repeatedly (and at least somewhat successfully) ...

IC3 Cybercrime Poster Says It All: Are You a Safe Internet User?

Feb 4, 2011 6:06:09 AM By Stu Sjouwerman

We can hardly do a better job than the Internet Crime Complaint Center's (IC3's) Safety Poster when it comes to alerting businesses and individuals about the dangers of unsafe Internet ...

Cyberheist Snippet 1: Drive-By Downloads

Feb 3, 2011 5:10:45 AM By Stu Sjouwerman

We're working on our own book here at KnowBe4.com. It's going to be called Cyberheist: The biggest financial threat facing American business since the meltdown of 2008. The book will be a ...

Preventing Cyberheist, A New Internet Creed: 'Think Before You Click!'

Feb 2, 2011 4:59:05 AM By Stu Sjouwerman

Here at KnowBe4 we focus on Internet Security Awareness, and provide a battery of information, services, and training to help raise awareness of potential threats and loss that uninformed ...

Internet Security Awareness Training: Getting Social With KnowBe4

Feb 1, 2011 1:50:42 PM By Stu Sjouwerman

If you want to keep up with the latest news and information about Internet Security, then you can not only follow KnowBe4 right here on our blog, but you can also check us out on our ...

ISAT: Looking For The One-minute Elevator Pitch? Look No Further.

Feb 1, 2011 1:41:49 PM By Stu Sjouwerman

It's easy to understand why Internet Security Awareness Training now is an essential part of your defense-in-depth. KnowBe4 is the market leading on-demand Internet Security Awareness ...

Cybercrime: Banks Are Under Intensive Assault From Cybercriminals

Feb 1, 2011 7:32:09 AM By Stu Sjouwerman

As I promised last week, I'm going to be blogging periodically about various information and articles from the commercial advocacy site with the very apt URL of ...

Cybercrime: FFIEC Plans To Boost Online Transaction Authentication Guidelines for US Banks

Jan 31, 2011 5:03:41 AM By Stu Sjouwerman

We picked this news item up from the SANS Newsbites Newsletter, Volume XIII, Issue: 8, dated January 25, 2011, entitled “U.S. Banks to Get Updated Online Authentication Guidelines.” ...

Symantec Covers Top Social Networking Cyberheist Scams, Including Phishing

Jan 30, 2011 8:49:54 AM By Stu Sjouwerman

The Norton/Symantec “Your Security Resource” newsletter recently featured a story entitled “ Top 5 Social Media Scams” that’s worth a read-through. It talks about the kinds of scams and ...

Anatomy of a Blantant Phishing Message

Jan 27, 2011 3:49:35 AM By Stu Sjouwerman

In earlier blogs about Phishing (especially Phishing Primer Part 1 and Part 2) we described phishing as an artful attempt to get readers to click links in e-mail, thereby opening ...

Fabulous Anti-Phishing/Cybercrime News Resource

Jan 26, 2011 8:50:14 AM By Stu Sjouwerman

[caption id="attachment_130" align="aligncenter" width="488" caption="The banner at YourMoneyIsNotSafeInTheBank.org says it all!"] [/caption] The name of the site that provides the ...

Hackers Pull A Tasty Variation on the ACH Cyberheist Technique

Jan 25, 2011 11:48:46 AM By Stu Sjouwerman

On January 19, PC World reported an interesting twist on an old but still favorite phishing scam called the ACH, or Automated Clearing House, scam in a story entitled "Hackers Steal ...

Phishing Primer Part 2: Spotting the Lure

Jan 24, 2011 3:56:54 AM By Stu Sjouwerman

Last Thursday, we posted a blog entitled "Phishing Primer, Part 1;" here is Part 2 in that ongoing series of brief expositions on this fascinating subject that is also a clear and present ...

FDIC Issues "Patriot Act" Phishing Scam Warning

Jan 21, 2011 6:02:58 AM By Stu Sjouwerman

Earlier this week on January 18, the US Federal Deposit Insurance Corporation (FDIC) issued its tenth special alert for 2011 (SA-10-2011). Its summary provides an excellent explanation ...

Internet Security Awareness Training: The Enduring Value of User Education and Awareness

Jan 21, 2011 2:27:31 AM By Stu Sjouwerman

Theres an old saying that If you create a system that any idiot can use, then only idiots will find it useful. And while many companies and organizations may feel compelled to dumb ...

Internet Security Awareness Training Basics

Jan 19, 2011 6:33:26 AM By Stu Sjouwerman

A great many teaching stories from various traditions emphasize how the press of daily life, or normal human emotions, can crowd out and turn off common sense. At its core foundation, ...

Phishing Primer, Part 1

Jan 18, 2011 3:41:55 AM By Stu Sjouwerman

Phishing takes its inspiration from the piscatorial arts, where an angler uses an attractive and perhaps even appetizing-looking or –seeming lure (well, to a fish anyway) to entice an ...

Phishing for Trouble: At-work Email Behavior Can Affect the Bottom Line in Unexpected Ways

Jan 18, 2011 1:42:45 AM By Stu Sjouwerman

Even financial professionals can get snared at work by e-mails that purport to deal with routine, straightforward transactions. One interesting phishing scam that occurred as recently as ...

Internet Security Awareness Training: KnowBe4 Is Going On The Road

Jan 17, 2011 5:10:40 PM By Stu Sjouwerman

KnowBe4 will be making a splash in 2011! We have several events on our calendar where you can see us and we hope to see you at several of these events where we would love to show you our ...

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