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

KnowBe4 Wins Channelnomics Security Award for Best Security Training

Sep 13, 2018 6:03:28 PM By Stu Sjouwerman

World’s largest library of security awareness training recognized for excellence

[VIDEO] Password Sharing Means Not Caring

Sep 13, 2018 11:16:44 AM By Stu Sjouwerman

How Fast Can Your Domain Admin Password Be Cracked? 19% of employees of small and medium-sized businesses (SMBs) share their passwords with coworkers, according to a study by Switchfast. ...

Want to Know How to Break into a Henhouse? Hire a Fox

Sep 12, 2018 3:48:38 PM By Stu Sjouwerman

Red teaming starts with research. So does social engineering. Red teaming is the practice of thinking and acting like an attacker to test an organization’s defenses, according to security ...

Details of North Korea Attacks Highlight Email’s Role in Attacks

Sep 12, 2018 2:29:00 PM By Stu Sjouwerman

When you think of cyber-espionage, you might be surprised it’s far less “Mission: Impossible” and a lot more basic phishing tactics.

Phishing Scammers are Planning Well into 2020

Sep 12, 2018 2:25:37 PM By Stu Sjouwerman

Cybercriminals are already looking to take advantage of the 2020 Tokyo Olympics. Are you thinking years out? The bad guys are.

New York State Universities Targeted by Phishing Scams

Sep 12, 2018 1:36:36 PM By Stu Sjouwerman

Students from Plattsburgh State and SUNY Adirondack were targeted by several types of scams over the summer, causing Plattsburgh State officials to send out warnings to the student body. ...

Phishing warning: One in every one hundred emails is now a hacking attempt

Sep 12, 2018 11:49:20 AM By Stu Sjouwerman

And just one mistake can compromise an entire organisation. Danny Palmer at ZDNet wrote: "One in every one hundred emails sent round the globe has malicious intent, likely to deliver ...

SCAM OF THE WEEK: "The Boss Needs iTunes Gift Cards For Customers... NOW"

Sep 12, 2018 7:25:02 AM By Stu Sjouwerman

If you ever wondered if those iTunes gift card phishes really work, see the below email exchange.

CyberheistNews Vol 8 #36 Finally, KnowBe4 Was Spoofed by Bad Guys. Expected That for Years.

Sep 11, 2018 9:40:06 AM By Stu Sjouwerman

What is the secret to keeping your network safe? Training and automation

Sep 11, 2018 7:26:58 AM By Stu Sjouwerman

Just in time before October's Cybersecurity Awareness Month, DomainTools released its second annual Cybersecurity Report Card in which infosec pros were surveyed about their security ...

"Voice Phishing" in Korea This Year Already Exceeds 2017 Numbers.

Sep 10, 2018 4:12:33 PM By Stu Sjouwerman

The Korea JoonGang Daily reported that despite warnings from financial authorities, an average of 116 people fall victim to what is called "voice phishing" scams every day in Korea.

DMARC and Its Place in Email Security

Sep 10, 2018 2:31:59 PM By Stu Sjouwerman

Dealing with business email compromise (BEC) requires people, process, and technology. As we've noted before, the problem is growing. Harder to detect and evolving in sophistication, ...

Weaponized IQY Files Make Excel Users an Easy Target

Sep 10, 2018 2:05:09 PM By Stu Sjouwerman

The Necurs botnet – most notably responsible for distributing Locky – is now pushing weaponized internet or web query (.IQY) file to evade detection and download malware.

Only 40% of Business Phishing Scams Contain Links

Sep 10, 2018 2:01:43 PM By Stu Sjouwerman

This latest statistic takes the spotlight off of antivirus as the protector, and puts the focus squarely in the hands of your users to stop attacks.

When Russian InfoSec White Hats Go Black

Sep 10, 2018 1:50:29 PM By Stu Sjouwerman

This latest story about one specific cybercriminal group shows how even the most trusted of white-hats can give in to the lure of financial profit, following Evgeniy Bogachev who retired ...

You're Invited To Participate In The Inaugural 2018 Security Awareness Training Deployment Trends and Usage Survey.

Sep 8, 2018 10:08:15 AM By Stu Sjouwerman

KnowBe4 is running its Inaugural 2018 Security Awareness Training Deployment Trends and Usage Survey.

Finally, KnowBe4 Was Spoofed By Bad Guys. Expected That For Years.

Sep 8, 2018 8:51:19 AM By Stu Sjouwerman

When you become the worldwide No.1 player in your field with tens of thousands of organizations using your platform, you get on people's radar. Both the good guys and the bad apples.

Size Still Doesn’t Matter Especially When It Comes To CEO Fraud

Sep 6, 2018 3:17:42 PM By Stu Sjouwerman

Lloyds Bank says that Business Email Compromise (BEC)—also known as CEO Fraud—rose by 58% in the UK over the past year. While BEC is often associated by the media with large firms, ...

Campaign Email Security "as Bad as 2016"

Sep 5, 2018 4:29:18 PM By Stu Sjouwerman

The founder of Tech Solidarity, a not-for-profit interested in helping the campaigns of progressive Democrats, has been talking to those campaigns about their email security. He's found ...

Is Your Incident Response to Cyber Attacks Useless?

Sep 5, 2018 9:54:11 AM By Stu Sjouwerman

A new report from Carbon Black sheds some light on exactly what cybercriminals are doing, and why traditional incident response is unprepared at best.

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