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 7 #50 The Top 5 Reasons Why You Need to Deploy New-School Security Awareness Training in 2018

Dec 26, 2017 9:57:25 AM By Stu Sjouwerman

Scam Of The Week: New Massive Data Breach Poses Major Threat

Dec 25, 2017 10:39:10 AM By Stu Sjouwerman

Here’s a fun question to pose to the family dinner table: Have you ever heard of Alteryx? 100 to 1 you never heard of them, but chances are good that they have heard of you. Alteryx is a ...

Nearly 250,000 user logins are being hacked every week and become phishing targets

Dec 25, 2017 8:43:26 AM By Stu Sjouwerman

A research team from Google collaborated with the cybersecurity experts from the University of California, Berkeley to scrutinize the activities of these online miscreants. After about 1 ...

The Top 5 Reasons Why You Need To Deploy New-school Security Awareness Training In 2018

Dec 24, 2017 11:42:48 AM By Stu Sjouwerman

2017 was a dumpster fire of privacy and security screw-ups. To implement a simple, effective, IT security strategy will help your CEO to keep their job in 2018. Better yet, thousands of ...

CEO Fraud Costs Major Airline Millions Of Dollars

Dec 23, 2017 1:51:51 PM By Stu Sjouwerman

This week the international carrier Japan Airlines (JAL) admitted it had fallen victim to CEO Fraud that cost it 384 million yen (about $3.39 million). The incidents took place in ...

File-less Malware Attacks Hit Milestone in 2017 And Ransomware Grows to $5 Billion Industry

Dec 21, 2017 2:06:35 PM By Stu Sjouwerman

New data shows that file-less malware attacks are now the majority of all attacks this year, and ransomware grows to a whopping 5 billion industry. Fileless malware attacks using ...

The Massive Cyber Attacks Slated For 2018 Will Make You WannaCry

Dec 21, 2017 8:53:20 AM By Stu Sjouwerman

If you think 2017 was bad, hold on for dear life because 2018 is going to be the worst yet when it comes to cyber attacks, with new and better coordinated attacks looming large. Why? ...

Cancer Center Discloses $2.3 Million Data Breach Settlement In Their Bankruptcy Filing

Dec 19, 2017 1:19:17 PM By Stu Sjouwerman

As reported in BNA Privacy Law Watch, on December 6, 2017, health care provider 21st Century Oncology agreed to pay $2.3 million to settle charges by the Department of Health and Human ...

Roll back time when users click on a bad link with our new free tool, Second Chance!

Dec 18, 2017 11:52:31 AM By Stu Sjouwerman

Wouldn't it be great if your users had a way to "roll back time" when they forgot to think before they click on a bad link? Now they can! We are excited to announce Second Chance, a ...

CyberheistNews Vol 7 #49 New Large Email Security Study Shows a Massive 10.5% Failure Rate

Dec 18, 2017 9:52:50 AM By Stu Sjouwerman

86% of security pros worry about a phishing future where criminals are using Artificial Intelligence

Dec 17, 2017 12:31:21 PM By Stu Sjouwerman

A new survey by Webroot shows that 86% of security professionals worry that AI and ML (machine learning) technology could be used against them. And they are right, because it will and ...

Complex regulations and sophisticated cyber attacks inflate non-compliance costs

Dec 15, 2017 5:21:15 PM By Stu Sjouwerman

The cost of non-compliance has significantly increased over the past few years, and the issue could grow more serious. 90 percent of organizations believe that compliance with the GDPR ...

W-2 Phishing Scams Likely to Resurface After the New Year

Dec 15, 2017 4:57:33 PM By Stu Sjouwerman

W-2 phishing season is just a few weeks away. For the past several tax seasons, cyber criminals have used sophisticated social engineering tactics to dupe hundreds of payroll and HR ...

How One of Australia's Richest Men Lost $1 Million in Email Scam

Dec 15, 2017 4:28:02 PM By Stu Sjouwerman

The multi-millionaire founder of Twynam Agricultural Group Pty Ltd. lost $1 million in an email fraud, a London court heard Thursday. The British man who facilitated the theft says he’s a ...

Trojan Phishing Attacks By North Korean Hackers Are Attempting To Steal Bitcoin

Dec 15, 2017 12:00:48 PM By Stu Sjouwerman

Researchers at Secureworks report Trojan malware is being distributed in phishing emails using the lure of a fake job ad. A prolific cyber criminal gang with links to North Korea is ...

Email Security Gap Analysis Shows 10.5% Miss Rate

Dec 14, 2017 5:04:54 PM By Stu Sjouwerman

Aggregated results show 10.5% average rates at which enterprise email security systems miss spam, phishing and malware attachments. Here is a summary of findings of email security systems ...

[On-Demand Webinar] Counter the Careless Click: Tools to help you train your users

Dec 14, 2017 10:15:46 AM By Stu Sjouwerman

Cybercriminals are successfully and consistently exploiting human nature to accomplish their goals. Employee training is tied as the third-most-effective method (higher than antivirus) of ...

CyberheistNews Vol 7 #49 Which of Your Employees Are Most Likely to Expose Your Company to a Cyber Attack?

Dec 12, 2017 10:19:44 AM By Stu Sjouwerman

Cyberheists Linked to Russian Hackers Targets Banks From Moscow to Utah

Dec 11, 2017 6:56:19 AM By Stu Sjouwerman

A previously unknown ring of Russian-speaking hackers has stolen as much as $10 million from U.S. and Russian banks in the last 18 months, according to a Moscow-based cyber-security firm ...

KnowBe4 Content Update & New Features Summary

Dec 8, 2017 10:55:45 AM By Stu Sjouwerman

A lot of new modules have been added to the KnowBe4 ModStore: 2018 GDPR is available as a new course in 8 languages right now, and 15 more languages will be available by January 1st. 2018 ...

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