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

[Heads-up] Russian Hackers Widen Their Cyber Attacks Again With Spear Phishing Political Targets

Aug 21, 2018 8:45:36 AM By Stu Sjouwerman

The GRU, the Russian military intelligence spy agency which was responsible for the 2016 election cyber attacks, is at it again and are now targeting the U.S. Senate and conservative ...

Black Hat Puts Long-Term Social Engineering on Display

Aug 20, 2018 1:59:30 PM By Stu Sjouwerman

CyberheistNews Vol 8 #33 Scam of the Week: SharePoint Phishing Attack on Office 365 Users

Aug 20, 2018 9:47:15 AM By Stu Sjouwerman

KnowBe4 Adds Twist & Shout Video Modules to ModStore

Aug 20, 2018 8:05:37 AM By Stu Sjouwerman

KnowBe4 has partnered with Twist & Shout, makers of entertaining films for businesses, on their Restricted Intelligence show. The videos cover a wide range of social engineering ...

Hackbusters - Where Can You Discuss All Things Social Engineering?

Aug 19, 2018 2:48:33 PM By Stu Sjouwerman

The KnowBe4 Hackbuster’s Forum is an online community dedicated to stopping the bad guys that use social engineering to hack your organization.

Great "Defense-in-Depth" InfoGraphic

Aug 19, 2018 11:25:15 AM By Stu Sjouwerman

Michael Fisher shared this on Twitter. Very nice and gives an immediate overview of #CyberSecurity Defense-in-Depth with all the areas it encompasses. Here it is:

Phishing is Still the #1 Cyber-Fraud Tactic

Aug 17, 2018 10:35:35 AM By Stu Sjouwerman

Online, e-commerce and mobile fraud are on the rise, according to RSA, with 41% of successful attacks enabled by phishing scams.

KnowBe4 Rockets To No 96 On the Inc. 500, Appearing For The Third Time. Stu Takes A CakeDive

Aug 16, 2018 3:29:12 PM By Stu Sjouwerman

Today, we celebrated two milestones in-one:

Scam Of The Week: SharePoint Phishing Attack On Office 365 Users

Aug 16, 2018 3:03:49 PM By Stu Sjouwerman

The attack dubbed “PhishPoint” by Cloud Security vendor Avanan demonstrates the craftiness and extent cybercriminals will go to in order to harvest Office 365 credentials.

Global Cyber Security spending to top $114bn in 2018, says Gartner

Aug 16, 2018 1:03:42 PM By Stu Sjouwerman

The need for improved detection, response and privacy is driving the demand for security products and services in response to security risks, business needs and industry changes, Gartner ...

Organizations Remain Unprepared for Cyber Attack in 2018

Aug 15, 2018 10:41:37 AM By Stu Sjouwerman

With such an abundance of information around attack methods, vulnerabilities, and potential targets, you would think IT has a handle on cybersecurity. Accenture shows us they don’t.

[On-Demand Webinar] Exposing the Dirty Little Secrets of Social Engineering, Featuring Kevin Mitnick

Aug 14, 2018 4:11:53 PM By Stu Sjouwerman

In this rare event, Kevin Mitnick, the world's most famous hacker and KnowBe4's Chief Hacking Officer, along with Perry Carpenter, KnowBe4’s Chief Evangelist and Strategy Officer, will ...

Healthcare Sees 278% Increase in Data Breaches in Q2, 30% Caused By Repeat Offenders

Aug 14, 2018 1:53:20 PM By Stu Sjouwerman

It’s not good to be in Healthcare IT these days, judging by the latest data. With over 3 million records put at risk by both insiders and external attacks in Q2, healthcare orgs need to ...

CyberheistNews Vol 8 #32 How and Why White Hats Slowly Turn Into Black Hats

Aug 14, 2018 9:38:18 AM By Stu Sjouwerman

Tech Support Scammers Increase Success with Call Optimization

Aug 13, 2018 11:51:03 AM By Stu Sjouwerman

Like legitimate call centers, tech support divisions, and organizations with inbound calling, scammers are using call optimization to improve callback success rates in tech support scams.

Creating a User Sensor Network to Stop Cyber-Attacks

Aug 13, 2018 11:39:24 AM By Stu Sjouwerman

If your users aren’t trying to protect corporate data and assets, you’re at risk. What you need is for the user to become an integral part of their security measures.

Is IT Even Trying to Thwart Social Engineering Attacks?

Aug 13, 2018 11:18:42 AM By Stu Sjouwerman

With so much else on their plate, are today’s IT organizations doing enough to protect the organization against social engineering and phishing attacks?

Social Media Facial Recognition Could Make the Bad Guys Worse

Aug 13, 2018 10:05:57 AM By Stu Sjouwerman

Trustwave shows how the latest advancements in technology could be used to aid cybercriminal activity.

Your Package is on its Way, But Not the One You Expected

Aug 6, 2018 3:42:07 PM By Stu Sjouwerman

Here's a current scam those involved in shipping and receiving should be aware of. Suppose you're expecting a package from a major package delivery company. You receive a seemingly ...

Why Doesn’t Cyber Insurance Have Phishing Prevention Discounts?

Aug 6, 2018 11:00:00 AM By Stu Sjouwerman

Whether online-related or not, insurance is insurance. So, shouldn’t there be discounts for organizations who demonstrate cyber-responsibility?

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