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

Six Steps To Successful Security Awareness Training

Apr 19, 2012 3:48:25 AM By Stu Sjouwerman

You Got Hacked! What Now?

Apr 18, 2012 9:55:57 AM By Stu Sjouwerman

Neil Rubenking, who has been writing about antivirus for 30 years now, came up with an excellent article about what to do when your personal email or social media account. This is a ...

BYOD: 'the inmates of the asylum have control'

Apr 18, 2012 9:20:57 AM By Stu Sjouwerman

IT pros surveyed by Network World and SolarWinds shared a range of tactics for handling the mobile device management challenge. Mobile devices are multiplying and -- sanctioned or ...

Spoiler alert: Your TV will be hacked

Apr 17, 2012 6:26:30 AM By Stu Sjouwerman

Last week you may have read a headline that blared "100 million TVs will be Web-connected by 2016." Regular readers of this blog know I'm always on the lookout for new threats, so the ...

Pinpoint Unsavory Elements In Your Neighborhood

Apr 17, 2012 3:42:42 AM By Stu Sjouwerman

The Criminal Tracker app by U.S. Publications Inc says that a study by the U.S. Department of Justice has revealed that sex offenders are four times more likely to re-offend than other ...

CyberheistNews vol 2, #17

Apr 16, 2012 3:01:49 AM By Stu Sjouwerman

Antivirus is 30 years old

Apr 13, 2012 9:46:50 AM By Stu Sjouwerman

[caption id="" align="alignleft" width="260" caption="Vaccine"][/caption] Simon Edwards created a great blog post about this April 12, 2012. He started out with: " Once upon a time, ...

Blast from the Antivirus Past

Apr 12, 2012 9:08:33 AM By Stu Sjouwerman

[caption id="" align="alignleft" width="250" caption="MS DOS 6.0"][/caption] Remember MS-DOS Version 6? It was released March 1993. The new 6.0 had a lot of new stuff including a basic ...

Video: How a crimepack works

Apr 12, 2012 5:37:16 AM By Stu Sjouwerman

Cybercriminals are as organized and industrious as any legitimate business. Case in point: exploit kits, also known as crimepacks, which bad guys can purchase and which make infecting ...

SMS-controlled Malware Hijacks Android Phones

Apr 11, 2012 4:25:32 AM By Stu Sjouwerman

Researchers at NQ Mobile, working alongside researchers at North Carolina State University, have discovered new Android malware that is controlled via SMS that can do a number of things ...

99 Percent Of Malicious Action Starts On Workstations

Apr 9, 2012 10:43:45 AM By Stu Sjouwerman

Roger Grimes made this remark on InfoWorld when he commented on the 2012 Verizon Data Breach Investigations Report that was released last week. What he said was: "You should enable event ...

AV Vendor claims 600,000 Infected Macs in Botnet

Apr 6, 2012 1:51:26 AM By Stu Sjouwerman

The CSO website reported: "A Mac trojan horse spotted by security analysts since last year has infected more than 600,000 Apple computers, says Dr. Web, a Russian antivirus vendor. Apple ...

Remove Hidden Data And Personal Information By Inspecting Documents

Apr 5, 2012 3:22:52 AM By Stu Sjouwerman

This is a good hint for your users from the Microsoft website: "If you plan to share an electronic copy of a Microsoft Word document with clients or colleagues, it is a good idea to ...

If You Do The Cyber Crime, Expect To Do The Time

Apr 3, 2012 9:17:55 AM By Stu Sjouwerman

Roger Grimes at InfoWorld observes something encouraging..."Every public speaker and writer likes a good catchphrase or refrain that will grab the audience's attention. One of mine: ...

CyberheistNews Vol 2, #15

Apr 3, 2012 3:56:12 AM By Stu Sjouwerman

Finally Defined: 'Advanced Persistent Threat'

Apr 2, 2012 4:30:40 AM By Stu Sjouwerman

[caption id="" align="alignleft" width="650" caption="Advanced Persistent Threat"][/caption]

Global Payment Hack: Almost 340 Million Drop in Value

Mar 30, 2012 10:12:06 AM By Stu Sjouwerman

[caption id="" align="alignleft" width="290" caption="Global Payment Hacked"][/caption] This is what they said in their press release: Global Payments Inc. (NYSE: GPN), a leader in ...

New Strategies to Fight Phishing

Mar 30, 2012 4:00:56 AM By Stu Sjouwerman

[caption id="" align="alignleft" width="175" caption="Fighting Phishing"][/caption] BankInfo Security summarized the phishing problem for the Financial Industry, and quotes the security ...

Users are the weakest link in IT

Mar 29, 2012 5:30:15 AM By Stu Sjouwerman

Some excellent work by our colleagues at Trend Micro. They see that users are the weakest link in IT! [caption id="" align="alignleft" width="550" caption="Weakest Link in IT"][/caption]

Malicious Office documents target Mac OS X

Mar 29, 2012 3:32:15 AM By Stu Sjouwerman

Trendmicro reported: "We have recently analyzed a series of emails sent to specific users that leverage a certain prominent socio-political issue. One of these messages is about the ...

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