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

FFIEC Rewrites Its Rules For Banks to Enhance Security, Prevent Cyberheist

Feb 25, 2011 6:39:30 AM By Stu Sjouwerman

The latest edition of the "Your Money Is Not Safe In The Bank" newsletter (sign up on their home page) takes a look at the new authentication guidelines about to be issued from the ...

Phishing: Further Ruminations on Whaling Attacks

Feb 24, 2011 6:04:45 AM By Stu Sjouwerman

In phishing terms, whaling means applying phishing attacks to "big fish"--namely, corporate executives, public figures, celebrities, and, of course, very wealthy persons. We've been ...

Cyberheist Snippet 4: More on Trusteer Rapport

Feb 24, 2011 4:29:00 AM By Stu Sjouwerman

As we mentioned in Cyberheist Snippet 1, 2, and 3, we're working on a book here at KnowBe4.com, and it features Cyberheist as the first word in its title. Here's a fourth snippet from the ...

Cyberheist Snippet 3: Spear-Phishing Definition

Feb 22, 2011 1:11:03 PM By Stu Sjouwerman

As we mentioned in Cyberheist Snippet 1 and Cyberheist Snippet 2, we're working on a book here at KnowBe4.com, and it features Cyberheist as the first word in its title. Here's a third ...

Cyberheist: The Real Bite in Company Suits Against Banks for Negligence

Feb 21, 2011 11:11:29 AM By Stu Sjouwerman

As we've mentioned repeatedly in this blog, the FDIC does not insure SMBs against losses to fraudulent account access the same way that it covers individual bank accounts. This has left ...

Cyberheist Theft of Carbon Credits Shows Just How Far Cyberthieves Will Go!

Feb 18, 2011 6:31:24 AM By Stu Sjouwerman

We read with great interest in a recent edition of The Economist about the theft of carbon emission credits through the Emissions Trading Scheme (ETS), a market overseen by the European ...

Phishing's "Golden Hour"

Feb 17, 2011 7:31:42 AM By Stu Sjouwerman

We stumbled across a fascinating story on the Trusteer Web site recently ( Trusteer is an Internet security firm whose principal products focus on fraud detection and prevention for the ...

Cyberheist Snippet 2: The Field Has Changed, But the Game Remains the Same

Feb 14, 2011 8:28:26 AM By Stu Sjouwerman

[caption id="attachment_262" align="aligncenter" width="250" caption="Cyberheist book cover"] [/caption] As we mentioned in Cyberheist Snippet 1, we're working on a book here at ...

Cybercrime: Google Plans to Give Two-Factor Authentication a Huge Boost

Feb 11, 2011 7:42:59 AM By Stu Sjouwerman

The biggest fundamental problem with online financial activity is that for most of us, an account name and a password is all that's needed to gain access to accounts and account controls. ...

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 ...

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