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

Volunteer Cyber Crime Fighters Band Together in New York

May 21, 2019 8:14:52 AM By Stu Sjouwerman

Kim Nash reported in the WSJ Pro CyberSecurity newsletter—which I warmly recommend, it is an excellent daily news update—that "more than 100 applicants seek to volunteer their ...

KnowBe4 Acquires CLTRe; Shines Spotlight on Security Culture Measurement

May 21, 2019 7:59:51 AM By Stu Sjouwerman

I'm happy to announce our acquisition of CLTRe, which we feel demonstrates the importance of managing the human risk. We’re excited to welcome Kai and the CLTRe team to the KnowBe4 family ...

[On-Demand Webinar] Empowering Your Human Firewall: The Art & Science of Secure Behavior

May 20, 2019 9:45:00 AM By Stu Sjouwerman

You know that "security awareness" is key to a comprehensive security strategy. But just because someone is aware doesn't mean they care. So how can you design programs that work with, ...

“Hack for Hire” Groups Offer Single Account Break-In Services For Just $750

May 20, 2019 9:32:47 AM By Stu Sjouwerman

Along with everything else malicious that’s available “as-a-Service”, the latest addition takes the burden of trying to initially hack an organization off of the plate of would-be ...

Global GozNym Takedown Shows The Anatomy Of A Modern Cybercrime Supply Chain

May 17, 2019 7:12:21 AM By Stu Sjouwerman

By Javvad Malik, our new Security Awareness Advocate for EMEA. A multi-national collaborative law enforcement effort has arrested individuals allegedly behind Nymaim and Gozi, also known ...

[PODCAST] Hacking Humans Live At KB4CON 2019

May 17, 2019 7:01:45 AM By Stu Sjouwerman

Last week, we had the pleasure of hosting the first ever live episode of the Hacking Humans podcast at KB4-CON in Orlando, where Kevin Mitnick and I teamed up with Dave Bittner and Joe ...

Account Takeover Attacks Increase as Cybercriminals Fine-Tune Their Brand Impersonation, Social Engineering, and Phishing Skills

May 17, 2019 6:35:31 AM By Stu Sjouwerman

The latest Spear Phishing Report from Barracuda highlights how cybercriminals are systematically improving their game… and are becoming more successful for it. The capturing of user ...

6 Signs You’ve Successfully Created a Security Culture

May 17, 2019 6:31:36 AM By Stu Sjouwerman

Security culture is much more than just IT policies and processes; it requires buy-in and participation from every user. Learn 6 ways to tell if you’re on the right path to building a ...

What's Wrong With The New Bill That Proposes Cyber Security Training for U.S. House Members?

May 14, 2019 2:18:44 PM By Stu Sjouwerman

A bill introduced last week requires all members, officers and employees of the U.S. House of Representatives to undergo cybersecurity training.

CyberheistNews Vol 9 #20 [Heads-Up] If This Is True It's A Disaster. Three Major US Antivirus Companies Breached?

May 14, 2019 9:42:37 AM By Stu Sjouwerman

InfraGard Recommends User Education

May 13, 2019 10:58:13 AM By Stu Sjouwerman

Education is crucial in defending against evolving social engineering attacks, according to Jack Plaxe, president of the Kentucky InfraGard Alliance. During a presentation last week, ...

Phishing Attacks Top Verizon’s List of Threat Actions Used in Data Breaches

May 13, 2019 10:01:59 AM By Stu Sjouwerman

Verizon’s latest Data Breach Investigations Report provides valuable insight into exactly how attacks are carried out, what tactics are working, and how users are helping.

[Heads-Up] If This Is True It's A Disaster. Three Major US Antivirus Companies Breached? ***UPDATED

May 12, 2019 10:09:57 AM By Stu Sjouwerman

ARSTECHNICA is getting me worried here. We were all at KB4-CON in Orlando the last few days, and during the conference word got to me that security researchers found out that high-profile ...

[Spoiler!] That Free Avengers: Endgame Download You Found Online? It’s a Scam!

May 12, 2019 8:11:09 AM By Stu Sjouwerman

The lure of watching the latest Avengers movie is enough motivation for some to fall for this scam aimed at collecting your credit card data.

Half of SMBs Will Pay the Ransom in a Ransomware Attack

May 12, 2019 7:43:12 AM By Stu Sjouwerman

Despite the ability to properly protect against ransomware attacks, the latest data from AppRiver shows SMBs simply aren’t prepared to respond, and will, instead, pay up.

Phishing Continues to Rise as Attacks Go Malwareless

May 10, 2019 8:00:00 AM By Stu Sjouwerman

Cybercriminals seem to be honing their craft, picking specific attack types, victim demographics, and methods, according to new data from the latest PhishLab’s report.

Half of all 2020 Presidential Candidates are Susceptible to Impersonation Attacks

May 9, 2019 8:00:00 AM By Stu Sjouwerman

Recent analysis of the websites of 16 current presidential candidates indicate insufficient security to stop attackers from sending emails out impersonating the campaign.

Russian cyberspies are using one hell of a clever Microsoft Exchange backdoor

May 8, 2019 6:38:05 AM By Stu Sjouwerman

A Russian cyber-espionage group has developed and has been using one of the most complex backdoors ever spotted on an email server, according to new research published by cyber-security ...

Deepfake Videos – An Increasing Cyber Threat For Corporate Clients

May 6, 2019 5:38:12 PM By Stu Sjouwerman

Insurance Business Mag had an interesting take on your users being the victim of social engineering by deepfakes. Your cyber insurance policy is not likely to pay out in cases like this. ...

KnowBe4 Fresh Content & Features Updates - April 2019

May 6, 2019 10:31:28 AM By Stu Sjouwerman

Check out the content and feature updates in the KnowBe4 platform for the month of April! NEW FEATURED CONTENT - STANDUPS 4 SECURITY We’re excited to highlight the release of the new ...

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