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

U.S. Company Suffers a $588,000 Cyberheist Judge Says Too Bad

Jun 10, 2011 2:22:22 AM By Stu Sjouwerman

[caption id="attachment_994" align="alignleft" width="262" caption="Cyber Judge"][/caption] Cyber security experts are expressing serious concern over a decision on a cyberheist lawsuit ...

The Stakes Rise in the War on Cybercrime

Jun 8, 2011 1:58:39 AM By Stu Sjouwerman

[caption id="attachment_986" align="alignleft" width="300" caption="North America Cyber Crime"][/caption] The U.S. government just very recently broadened its definition of what ...

Cybercrime Sophistication Borne Out by Recent Google Gmail Attack

Jun 6, 2011 6:28:34 AM By Stu Sjouwerman

[caption id="attachment_980" align="alignleft" width="308" caption="gmail-phishing"][/caption] In the cybercrime war being fought across international boundaries, the recent Gmail hack of ...

Scotland Yard launches New Cyber Squad Unit

Jun 4, 2011 10:51:14 AM By Stu Sjouwerman

[caption id="attachment_972" align="alignleft" width="191" caption="Scotland Yard Cybercrime Unit"][/caption] Janet Williams of Scotland Yards Cybercrime Unit, who takes the lead on ...

Opening the Network to Cybercrime: The 10 Biggest Security Breaches of 2011 to Date

May 30, 2011 3:00:15 AM By Stu Sjouwerman

[caption id="attachment_959" align="alignleft" width="300" caption="Network Cybercrime"][/caption] Despite the valiant efforts of network security companies and the vigilance of IT ...

Phishing Attacks Keep Proliferating: How to Recognize Them

May 27, 2011 3:38:08 AM By Stu Sjouwerman

[caption id="attachment_949" align="alignleft" width="237" caption="Phishing Attacks"][/caption] There is an article in eWEEK that highlights the gravity and growth of cybercrime. It ...

Phishing Your Own Employees is a Must!

May 25, 2011 3:35:54 AM By Stu Sjouwerman

Following is an excerpt from SC Magazine: For IT Security Professionals. It highlights the importance of educating organizational employees against the tactics cybercriminals will use to ...

FCC to Help Small Business by Raising Internet Security Awareness

May 23, 2011 3:05:14 AM By Stu Sjouwerman

[caption id="attachment_918" align="alignleft" width="300" caption="FCC Board"][/caption] The Federal Communications Commission (FCC) has recently launched an initiative to help small ...

Phishing Attacks Skyrocket 1200 Percent

May 18, 2011 4:02:13 AM By Stu Sjouwerman

[caption id="attachment_912" align="alignleft" width="300" caption="cybercrime skyrockets"][/caption] According to a recently released Microsoft Security Intelligence Report, phishing ...

U.S. Government Escalating Efforts to Fight Cybercrime

May 16, 2011 3:05:37 AM By Stu Sjouwerman

[caption id="attachment_903" align="alignleft" width="300" caption="U.S. Government"][/caption] If you were under the impression that all is well with your network security and that ...

Cybercrime On The Internet

May 13, 2011 3:50:52 PM By Stu Sjouwerman

BayNews 9 in Tampa Bay, Florida interviewed Margie Manning of Tampa Bay Business Journal about cybercrime on the internet and she features KnowBe4 and our Phishing Security Test! Check it ...

Common Sense Guidelines to Avoid a Cyberheist

May 11, 2011 3:02:36 AM By Stu Sjouwerman

[caption id="attachment_884" align="alignleft" width="300" caption="cyberheists"] [/caption] Social engineering, called phishing, happens all the time. Phishing leads to cybercrimes of ...

An Important Message about Cybercrime to All Organizations

May 9, 2011 4:37:38 AM By Stu Sjouwerman

[caption id="attachment_876" align="alignleft" width="300" caption="Social Engineering"][/caption] With the advent of social media websites like Skype, Facebook and Twitter, business ...

Cybercrime: Cyber Security Public Awareness Act of 2011 Introduced in US Senate

May 5, 2011 9:09:57 AM By Stu Sjouwerman

It was great to read that the "Cyber Security Public Awareness Act of 2011" was recently introduced in the US Senate. The purpose of the bill is to raise the public's security awareness, ...

Cybercriminals Abuse Free Domain Registration to Launch Phishing Attacks

May 3, 2011 3:31:46 AM By Stu Sjouwerman

A phishing survey released by the Anti-Phishing Working Group (APWG) in April 2011 indicates a record number of unique domain names were used for phishing attacks in the second half of ...

$20 Million Stolen in Cyberheists from SMEs, Money Sent to China

Apr 29, 2011 8:59:58 AM By Stu Sjouwerman

The FBI reported this week that between March 2010 and April 2011, cyberthieves drained approximately $20 million from the accounts of US-based small to medium enterprises (SMEs) via ...

77 Million Network Accounts for Sony PlayStation Compromised by Daring Cybercrime

Apr 27, 2011 8:59:15 AM By Stu Sjouwerman

This morning the news is ablaze with reports of a hack into Sony's PlayStation Network, with numerous media outlets proclaiming that as many as 77 million customer accounts have been ...

Inside the "Phishing Mindset" That Drives Cybercrime

Apr 25, 2011 8:55:16 AM By Stu Sjouwerman

I just read a fascinating interview with security maven Tim Rohrbaugh, VP for Information Security at Intersections Inc. Intersections is a provider of branded and customized identity ...

The Cyberheist Book Has Arrived!

Apr 22, 2011 8:19:41 AM By Stu Sjouwerman

[caption id="attachment_754" align="alignleft" width="240" caption="Cyberheist"] [/caption] Cyberheist the book has arrived! The Kindle edition is currently selling on Amazon for ...

Conde Nast Caught in $8 Million Spear-Phishing Scam

Apr 21, 2011 7:54:14 AM By Stu Sjouwerman

[caption id="attachment_747" align="alignleft" width="225" caption="cybercrime site"][/caption] I wanted to bring to your attention another major cyberheist scheme that is making news. It ...

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