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

Look Ma, malware without files!

Mar 21, 2012 4:38:31 AM By Stu Sjouwerman

Wow, instead of an exploit dropping a file onto the file system and running it... a DLL is injected straight into memory from the exploit, leaving nothing to scan on the harddrive. Writen ...

CyberheistNews vol 2, #13

Mar 21, 2012 3:59:49 AM By Stu Sjouwerman

CyberheistNews vol 2, #12

Mar 21, 2012 3:43:14 AM By Stu Sjouwerman

CyberheistNews vol 2, #11

Mar 21, 2012 3:40:56 AM By Stu Sjouwerman

CyberheistNews vol 2, #10

Mar 21, 2012 3:38:46 AM By Stu Sjouwerman

CyberheistNews vol 2, #9

Mar 21, 2012 3:36:14 AM By Stu Sjouwerman

CyberheistPoll Survey Results:

CyberheistNews vol 2, #8

Mar 21, 2012 3:33:53 AM By Stu Sjouwerman

CyberheistNews vol 2, #7

Mar 21, 2012 3:31:26 AM By Stu Sjouwerman

CyberheistNews Vol 2, #7 Editor's Corner [caption id="attachment_1367" align="alignleft" width="150" caption="Stu"][/caption] Facebook Malware Scam Of The Week A "worrying number" of ...

For cloud services, security first - growth second

Mar 20, 2012 9:27:55 AM By Stu Sjouwerman

Richard Stiennon at Forbes has a very good point. "My oft repeated advice for technology vendors is that security sells. Given a choice between two vendors of similar products or services ...

The Cridex malware trojan hides in fake LinkedIn invitations.

Mar 20, 2012 9:10:31 AM By Stu Sjouwerman

The Cridex malware trojan hides in fake LinkedIn invitations. Take care with those invites! GFI Labs recently discovered a LinkedIn email phishing scam that installs a banking trojan. It ...

Major malware gang taken down today in Russia

Mar 20, 2012 8:43:40 AM By Stu Sjouwerman

Members of the largest criminal group engaged in online banking fraud are detained March 20, 2012 MOSCOW Group-IB, the first Russian company providing comprehensive investigation of IT ...

CyberheistNews vol 2, #6

Mar 19, 2012 5:00:34 AM By Stu Sjouwerman

CyberheistNews Vol 2, #6 Editor's Corner [caption id="attachment_1367" align="alignleft" width="150" caption="Stu"][/caption] Facebook Malware Scam Of The Week A "worrying number" of ...

CyberheistNews vol 2, #5

Mar 19, 2012 3:53:42 AM By Stu Sjouwerman

CyberheistNews vol 2, #4

Mar 19, 2012 3:51:22 AM By Stu Sjouwerman

Its Tax Scam Season

Mar 16, 2012 4:44:38 AM By Stu Sjouwerman

Warn everyone that 'Tax Scam Season' is upon us, and that no one should respond to anything tax-related via email. The IRS does not use email or social media, don't fall for refund offers ...

CyberheistNews vol 2, #3

Mar 14, 2012 5:06:24 AM By Stu Sjouwerman

CyberheistNews vol 2, #2

Mar 14, 2012 5:01:21 AM By Stu Sjouwerman

CyberheistNews Vol 2, #1

Mar 14, 2012 4:37:08 AM By Stu Sjouwerman

The Top 5 Executive Spear-phishing Scams

Mar 13, 2012 6:30:44 AM By Stu Sjouwerman

We recommend you copy and paste this section, and send it to your executive team, with a warning that they might be targeted with spear-phishing attacks. They need to 'Stop, Look, Think' ...

Fake AV Attack Targets Wordpress Users

Mar 8, 2012 2:57:57 AM By Stu Sjouwerman

Websense detected a new wave of mass-injections of a well-known rogue AV campaign. It targets websites that use the open source WordPress website content management system. Websense ...

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