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

What Is The Deep Web 101

Jan 21, 2014 5:29:00 PM By Stu Sjouwerman

Pierluigi Paganini wrote a great blog post today. The Deep Web (or Invisible Web) is all the information on the World Wide Web not reported by normal search engines. It's HUGE. According ...

December 2013: 1 in 164 emails infected with some malware

Jan 21, 2014 11:59:00 AM By Stu Sjouwerman

Symantec's Intelligence Report for December 2013 is out. To no one's surprise the rate of infected emails is increasing dramatically last quarter, it looked like this

CyberheistNews Vol 4, # 03

Jan 21, 2014 9:11:00 AM By Stu Sjouwerman

CyberheistNews Vol 4, # 03

CyberheistNews Vol 4, # 02B

Jan 14, 2014 5:43:00 PM By Stu Sjouwerman

CyberheistNews Vol 4, # 02B

IT security more critical now than executives expected two years ago

Jan 14, 2014 3:36:00 PM By Stu Sjouwerman

David Braue at CSO reported on some very interesting results of the 11th Annual Information Security Trends report by CompTIA: "28 per cent of respondents said information security was a ...

CyberheistNews Vol 4, # 02

Jan 14, 2014 9:23:00 AM By Stu Sjouwerman

CyberheistNews Vol 4, # 02

Consider security training before high-end technology

Jan 13, 2014 4:57:00 PM By Stu Sjouwerman

CompterWeekly.com's "Security Think Tank" section has an opinion piece by Mike Gilespie that's right out of the KnowBe4 playbook.

The History Of Hacking In 5 Minutes For Dummies

Jan 12, 2014 12:40:00 PM By Stu Sjouwerman

What do you do when you need to explain the history of hacking to a busy non-technical manager in five minutes or less? Here is an attempt to make this extremely complex subject into a ...

Target Databreach Now 110 Mil Cards - Neiman Marcus Hacked Too

Jan 12, 2014 10:23:00 AM By Stu Sjouwerman

It goes from bad to worse. The initial 40 million turns out to be really 110 million. Apparently the forensics team discovered another 70 million cards exfiltrated. And then the news ...

5 Most Dangerous Phishing Email Subjects

Jan 9, 2014 1:32:00 PM By Stu Sjouwerman

Websense has posted some interesting new phishing research a few days ago. They started out: "With cloud infrastructure easily scalable and rented botnets coming on the cheap, the cost of ...

McAfee on Intel's decision to drop the name McAfee priceless

Jan 9, 2014 7:43:00 AM By Stu Sjouwerman

Oh, this one is priceless.

Firm Bankrupted by Cyberheist Sues Bank

Jan 8, 2014 11:53:00 AM By Stu Sjouwerman

CyberheistNews Vol 4, # 1

Jan 7, 2014 9:17:00 AM By Stu Sjouwerman

CyberheistNews Vol 4, # 1

KnowBe4 Grows 427% Year Over Year

Jan 1, 2014 9:21:00 AM By Stu Sjouwerman

Windows Crash Reports Let NSA Spy On People

Dec 31, 2013 2:09:00 PM By Stu Sjouwerman

Is This Man Selling The Stolen Target Credit Card Data?

Dec 30, 2013 2:10:00 PM By Stu Sjouwerman

Cybercrime Investigative Reporter Brian Krebs had an exclusive post recently providing an inside look at a person who may be a key distributor of the information stolen from Target.

CyberheistNews-Vol-3-52

Dec 30, 2013 11:28:00 AM By Stu Sjouwerman

CyberheistNews Top 2013 Scams

History Repeats Itself And IT Security Suffers

Dec 24, 2013 9:24:00 AM By Stu Sjouwerman

Fake Adobe licence key delivery phishing emails carry malware

Dec 20, 2013 9:43:00 AM By Stu Sjouwerman

Eastern European Hackers Hit Target Phish Out 40M Credit Cards

Dec 19, 2013 8:16:00 AM By Stu Sjouwerman

During the Black Friday shopping week, tens of millions of credit and debit card records were "phished" out of Target. The data breach was nationwide, and has extended for as far as ...

Security Awareness Training Blog

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Stu Sjouwerman

Books

Recent Posts

What Is The Deep Web 101

December 2013: 1 in 164 emails infected with some malware

CyberheistNews Vol 4, # 03

CyberheistNews Vol 4, # 02B

IT security more critical now than executives expected two years ago

CyberheistNews Vol 4, # 02

Consider security training before high-end technology

The History Of Hacking In 5 Minutes For Dummies

Target Databreach Now 110 Mil Cards - Neiman Marcus Hacked Too

5 Most Dangerous Phishing Email Subjects

McAfee on Intel's decision to drop the name McAfee priceless

Firm Bankrupted by Cyberheist Sues Bank

CyberheistNews Vol 4, # 1

KnowBe4 Grows 427% Year Over Year

Windows Crash Reports Let NSA Spy On People

Is This Man Selling The Stolen Target Credit Card Data?

CyberheistNews-Vol-3-52

History Repeats Itself And IT Security Suffers

Fake Adobe licence key delivery phishing emails carry malware

Eastern European Hackers Hit Target Phish Out 40M Credit Cards

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