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

CyberheistNews Vol #5 #40 Scam Of The Week: Deceptive Amazon Account Threat

Sep 22, 2015 9:29:41 AM By Stu Sjouwerman

CyberheistNews Vol #5 #40 Sept 22, 2015 Scam Of The Week: Deceptive Amazon Account Threat Seeing the fact that Amazon is the World's largest retailer it's surprising that there aren't ...

What is the REAL cost of a data breach?

Sep 20, 2015 11:31:00 AM By Stu Sjouwerman

A new survey done by Kaspersky with participation of 5,500 companies in 26 countries finally shows the real cost of a data breach broken out by Small and Medium Business (SMB) and ...

BitPay loses 1.8 Million In Phishing Attack

Sep 19, 2015 11:05:00 AM By Stu Sjouwerman

BitPay lost $1.8 million in a phishing attack late last year, according to lawsuit filed by the bitcoin payment processing firm against an insurer it is trying to get to cover some of the ...

Scam Of The Week: Amazon Account Threat

Sep 19, 2015 9:28:03 AM By Stu Sjouwerman

Seen the fact that Amazon is the World's largest retailer it's surprising that there aren't more of these scams, but this one sticks out as particularly deceptive. Often cyber criminals ...

FBI ALERT: Cybercriminals Spoof Your Domain With CEO Fraud

Sep 17, 2015 11:38:37 AM By Stu Sjouwerman

The FBI recently warned against a new cyber crime wave. It's called "CEO Fraud" where cybercriminals impersonate your CEO using your own spoofed domain name, and order employees to ...

Half Of Your Users Are Now Spear Phishing Targets

Sep 16, 2015 5:45:26 PM By Stu Sjouwerman

In a presentation at the Intelligence & National Security Summit, Bill Evanina, Director of the National Counterintelligence and Security Center (NCSC) announced "There have been just ...

Banks Do Not Pay You Back If You Get Hit With A Cyberheist

Sep 15, 2015 10:54:57 AM By Stu Sjouwerman

I was very happy to see that NPR has jumped on a story I have been trying to get out for a while. John Ydstie has a new example, where he shows the incredible hassle and disappointment ...

CyberheistNews Vol #5 #39 Expert Russians Hackers Use Satellites To Hide Amazing Exploits

Sep 15, 2015 9:48:12 AM By Stu Sjouwerman

*|CyberHeistNews|* CyberheistNews Vol #5 #39 Sept 15, 2015 Expert Russians Hackers Use Satellites To Hide Amazing Exploits Ouroboros, one of the world’s most sophisticated hacking groups ...

US Counter-Intel Czar Warns Hack Victims Against Spear Phishing

Sep 13, 2015 10:47:00 AM By Stu Sjouwerman

WASHINGTON–In a presentation at the Intelligence & National Security Summit, the director of the National Counterintelligence and Security Center (NCSC) announced a "new ...

Expert Russians Hackers Use Satellites To Hide Amazing Exploits

Sep 13, 2015 9:55:00 AM By Stu Sjouwerman

Ouroboros, one of the world’s most sophisticated hacking groups with close ties to the Russian government, has been accused of hijacking unencrypted commercial satellite communications. ...

Pentagon Hacked Again, Compromising Employee Financial Info

Sep 12, 2015 11:55:00 AM By Stu Sjouwerman

Hackers infiltrated the Pentagon food court's computer system, compromising the credit and debit card info of an unknown number of employees. Lt. Col. Tom Crosson, a Defense Department ...

Aggressive Android ransomware spreading in the USA

Sep 12, 2015 10:50:00 AM By Stu Sjouwerman

Your Android device's lock screen PIN keeps your phone's contents safe, but not from a new strain of ransomware which hijacks your phone or tablet. Security researchers at ESET discovered ...

2015 U.S Hacking Incidents More Than Previous Two Years Combined

Sep 12, 2015 10:04:00 AM By Stu Sjouwerman

In 2015 U.S. organizations are seeing a significant spike in hacking incidents. Over 122 Million records breached just from hacking alone. That is not counting all of the other incidents ...

[INFOGRAPHIC] Security of The Internet of Things (IoT)

Sep 12, 2015 9:40:00 AM By Stu Sjouwerman

The Internet of Things is far from secure. Don't trust me, just check the FBI, they are getting worried about this too. I have talked about hacks of Internet enabled devices before, ...

Three Big Ransomware Campaigns Victimize Tens Of Thousands

Sep 8, 2015 11:44:00 AM By Stu Sjouwerman

Cybercrime has not given up on ransomware just yet. In fact, it's expanding as different Eastern European mafias are competing with each other for market share in this segment. Here are ...

CyberheistNews Vol #5 #38 Scam Of The Week: Drowned Syrian Boy

Sep 8, 2015 9:15:26 AM By Stu Sjouwerman

CyberheistNews Vol #5 #38 Sept 1, 2015 Scam Of The Week: Drowned Syrian Boy Lowlifes are exploiting the recent picture of three-year-old Syrian boy Alyan Kurdi. He drowned while ...

A Cyberheist Subscriber's Own Hacking Horror Story

Sep 6, 2015 9:32:00 AM By Stu Sjouwerman

Here is a cyberheist subscriber who sent me their own hacking horror story. "Stu, thought I’d give you one. You can use it if you want. Just make it anonymous. So, being in IT we think we ...

Social Engineering Heaven: Combine AshMad Hack With OPM Data

Sep 5, 2015 10:52:00 AM By Stu Sjouwerman

The Office of Personnel Management has just closed a 133 million dollar contract to protect 21.5 million OPM data breach victims for three years. Wow, "Barn, Horse" anyone? This is an ...

KnowBe4 Grand Opening Sept 2015

Sep 3, 2015 2:56:00 PM By Stu Sjouwerman

September 3rd, 2015 - KnowBe4 had the grand opening of our new facility in Tampa Bay, Florida. The 15,000 square foot top floor has a wrap-around 360 panoramic view of the Gulf of Mexico ...

CyberheistNews Vol #5 #37 Scam Of The Week: Business Email Compromise

Sep 1, 2015 9:37:52 AM By Stu Sjouwerman

CyberheistNews Vol 5 #37 Sept 1, 2015 Scam Of The Week: Business Email Compromise Last week, the FBI via their Internet Crime Complaint Center announced some astounding numbers, worse ...

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