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

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 ...

Unique Malware Samples 2006-2011

Mar 28, 2012 6:42:30 AM By Stu Sjouwerman

[caption id="" align="alignleft" width="361" caption="Malware Unique Samples"][/caption] Malware is still exploding. Check out this graph. During the last few years, the security industry ...

Video on Zeus Botnet Takedown

Mar 28, 2012 2:36:11 AM By Stu Sjouwerman

You have probably heard about how Microsoft, the US Marshals together with some other organizations killed some some Zeus botnets. Microsoft's PR crew released a video about the operation ...

Netherlands Gets European Centre for Cybercrime

Mar 28, 2012 1:03:48 AM By Stu Sjouwerman

Holland's capital The Hague will get a new international showpiece. The new European Centre for Cybercrime will start there early 2013. European Commissioner for Home Affairs Cecilia ...

CyberheistNews vol 2, #14

Mar 27, 2012 9:19:08 AM By Stu Sjouwerman

How To Phish Your Employees

Mar 24, 2012 10:16:52 AM By Stu Sjouwerman

I wrote a new article that is also available in the resources section on our website: More and more, the bad guys are bypassing your firewall, endpoint protection and other ...

Shield your business from cybercrooks

Mar 23, 2012 4:00:24 AM By Stu Sjouwerman

Anne Fisher, Editor of New York's Executive Inbox wrote: "Can you recognize a potentially disastrous breach of your computer systems security when you see it? Lets find out with two ...

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

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