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

NetWire Remote Access Trojan Being Spread by Phishing Campaign

Oct 1, 2019 7:15:56 PM By Stu Sjouwerman

Researchers at Fortinet have come across a phishing campaign delivering a new version of the NetWire remote access Trojan (RAT). The phishing emails claim to contain invoices and ...

CyberheistNews Vol 9 #40 Your New KnowBe4 2019 Security Threats Report and What to Watch out for Next Year

Oct 1, 2019 10:26:09 AM By Stu Sjouwerman

"Mishperceptions": The Five Most Common Phishing Myths Busted!

Oct 1, 2019 7:58:24 AM By Stu Sjouwerman

By Joanna Huisman, KnowBe4's new SVP Strategic Insights & Research. The bad guys know that the easiest way into your organization is through your employees. This is not an opinion. Of ...

Senate Passes Bill Aimed At Combating Ransomware Attacks

Sep 30, 2019 3:22:39 PM By Stu Sjouwerman

The U.S. Senate has approved new legislation aimed at helping government agencies and private-sector companies combat ransomware attacks. The legislation comes as local governments and ...

KnowBe4 Acquires Twist and Shout Group to Enhance High-Quality Video Production Capabilities

Sep 30, 2019 9:59:50 AM By Stu Sjouwerman

I am excited to announce the acquisition of the Twist and Shout Group, which encompasses Twist and Shout Media and Twist and Shout Communications. Twist and Shout Group is a UK- and ...

[Heads Up] Five New Ways How Cyber Criminals Commit Insurance Fraud

Sep 30, 2019 7:39:58 AM By Stu Sjouwerman

TransUnion and Iovation predict that the increased use of online platforms to interact with insurance providers will result in new fraud challenges for insurance companies and their ...

Scam Of The Week: Yahoo Massive Data Breach Settlement Phishing Attacks

Sep 28, 2019 11:19:16 AM By Stu Sjouwerman

Yahoo is close to reaching a $117.5 million settlement in a class-action lawsuit over a series of data breaches that affected users between 2012 and 2016 — and your employees are ...

99 Percent Of All Misconfigurations In The Public Cloud Go Unreported

Sep 28, 2019 8:22:58 AM By Stu Sjouwerman

Charlie Osborne at ZDNet wrote: "Today's data breaches often seem to be caused not just by malware infections or external threat actors, but human error, insiders with an ax to grind, and ...

Chinese Hackers Target Airbus Suppliers in Quest for Commercial Secrets

Sep 27, 2019 11:35:20 AM By Stu Sjouwerman

European aerospace giant Airbus has been hit by a series of attacks by hackers targeting its suppliers in search of commercial secrets, sources told AFP, adding they suspected a Chinese ...

Russian Secret Weapon Against U.S. 2020 Election Revealed In New Cyberwarfare Report

Sep 26, 2019 7:17:58 AM By Stu Sjouwerman

You may have sensed this, but you need to confront the fact the Planet Earth is an anarchy of nations. The UN is ineffective and thoroughly corrupt. A few good things have come out of it, ...

Social Engineering via the US Mail

Sep 26, 2019 6:47:28 AM By Stu Sjouwerman

[Heads Up] What If The World's Largest Cyber Insurers Recommended Just One Security Awareness Training Platform As The Most Effective In Reducing Cyber Risk?

Sep 25, 2019 11:08:54 AM By Stu Sjouwerman

Well, that just happened. Today, September 25th 2019, Marsh, the world’s leading insurance broker and risk adviser, announced the inaugural class of cybersecurity solutions receiving a ...

Security Awareness Training Blog

View Topics

Stu Sjouwerman

Books

Recent Posts

NetWire Remote Access Trojan Being Spread by Phishing Campaign

CyberheistNews Vol 9 #40 Your New KnowBe4 2019 Security Threats Report and What to Watch out for Next Year

"Mishperceptions": The Five Most Common Phishing Myths Busted!

Senate Passes Bill Aimed At Combating Ransomware Attacks

KnowBe4 Acquires Twist and Shout Group to Enhance High-Quality Video Production Capabilities

[Heads Up] Five New Ways How Cyber Criminals Commit Insurance Fraud

Scam Of The Week: Yahoo Massive Data Breach Settlement Phishing Attacks

99 Percent Of All Misconfigurations In The Public Cloud Go Unreported

Chinese Hackers Target Airbus Suppliers in Quest for Commercial Secrets

Russian Secret Weapon Against U.S. 2020 Election Revealed In New Cyberwarfare Report

Social Engineering via the US Mail

[Heads Up] What If The World's Largest Cyber Insurers Recommended Just One Security Awareness Training Platform As The Most Effective In Reducing Cyber Risk?

KnowBe4 2019 Security Threats and Trends Report – October 2019

Don't Let Your Users Download Malicious Chrome Extensions

Less Than a Third of Small Businesses Deliver Annual Cybersecurity Training

Disgusting Fake Employment Site Targets Veterans And Installs Remote Access Trojan

CyberheistNews Vol 9 #39 [Scam of the Week] Heads-Up: Amazon Phishing Attack in Progress

A Short, Very Useful Guide to Social Engineering

No, Really, They're Just Not That Into You

The Emotet Trojan Botnet is Back in Business

Search Our Blog

Subscribe To Our Blog

Posts By Topic

Get the latest about social engineering

Subscribe to CyberheistNews

Get the latest about social engineering

Subscribe to CyberheistNews