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

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CyberheistNews Vol 11 #27 [EYE OPENER] They're Here... The Ransomware Ecosystem Now Has Criminal VC Investors

Jul 13, 2021 10:20:04 AM By Stu Sjouwerman

Ransomware Attacks Put Singapore Organizations at Risk of Violation of the Personal Data Protection Act

Jul 12, 2021 1:46:47 PM By Stu Sjouwerman

A new court decision sets precedence for all Singapore organizations where ransomware attacks – even without data exfiltration – may be subject to financial noncompliance penalties.

Counterterrorism Strategies Could Be the Key to Stopping Ransomware

Jul 12, 2021 1:46:00 PM By Stu Sjouwerman

With ransomware players, sophistication, effectiveness, and cost all on the rise, it may be time for us to take a page from counterterrorism to make it more difficult for cybercriminal ...

Phishbait Follows Current Events

Jul 12, 2021 9:49:35 AM By Stu Sjouwerman

Crisis draws opportunistic criminals, and the Kaseya ransomware incident is no different. Kaseya’s updates on the incident have included repeated warnings not to be taken in by emails or ...

KnowBe4 Fresh Content Updates from June

Jul 9, 2021 10:13:30 AM By Stu Sjouwerman

Here are important fresh content updates to share with you that happened in the month of June.

[On-Demand Webinar] Implement DMARC the Right Way to Keep Phishing Attacks Out of Your Inbox

Jul 9, 2021 8:00:00 AM By Stu Sjouwerman

DMARC, SPF, and DKIM are global anti-domain-spoofing standards, which can significantly cut down on phishing attacks. Implemented correctly they allow you to monitor email traffic, ...

Ransomware Attacks from Within Russia So Impactful, U.S. Government Says They Will Take Action If Russia Won’t

Jul 8, 2021 9:40:10 AM By Stu Sjouwerman

In light of recent ransomware attacks, the White House Press Secretary Jen Psaki stated this week that the Russian government needs to address ransomware groups stemming from Russia.

How REvil Works: A Look Inside the World’s Most Famous Ransomware-as-a-Service

Jul 8, 2021 9:40:06 AM By Stu Sjouwerman

With well-known companies impacted by REvil in every sector, including tech, it’s time to get a better understanding of who they are and what makes their ransomware so successful.

Social Engineering and Organizational Culture

Jul 8, 2021 9:40:03 AM By Stu Sjouwerman

Consistent awareness training is necessary to fend off phishing attacks, according to Keatron Evans, a principal security researcher, instructor, and author with Infosec. In an interview ...

Lazarus Group Continues Targeting Defense Contractors

Jul 7, 2021 8:57:49 AM By Stu Sjouwerman

North Korea’s Lazarus Group has been launching phishing campaigns against more defense contractors and engineering companies, according to researchers at AT&T Alien Labs. The ...

87% Increase in Social Engineering Scams During the First Quarter of 2021 Compared to Q1 2020

Jul 7, 2021 8:41:47 AM By Stu Sjouwerman

There was an 87% increase in social engineering scams during the first quarter of 2021 compared to Q1 2020, according to Ayelet Biger-Levin from BioCatch. In an article for The Paypers, ...

Your The Majority of Business Email Compromise Phishing Attacks Initially Go for Credentials, Not Money

Jul 6, 2021 4:23:15 PM By Stu Sjouwerman

With BEC attacks historically trying to get to the “committing fraud” part as quickly as possible, new data shows threat actors are taking their time, looking for a larger payoff.

It Was Only a Matter of Time: The Ransomware Ecosystem Has Given Birth to VC Investors

Jul 6, 2021 4:12:45 PM By Stu Sjouwerman

Security firm LIFARS confirms that cybercriminals are acting like venture capital investors, funding startup cybercriminal organizations, such as Darkside Ransomware.

CyberheistNews Vol 11 #26 [Eye Opener] Almost All LinkedIn User’s Data Has Been Scraped and Is up for Sale on the Dark Web

Jul 6, 2021 9:44:01 AM By Stu Sjouwerman

Security Awareness Training Blog

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Stu Sjouwerman

Books

Recent Posts

CyberheistNews Vol 11 #27 [EYE OPENER] They're Here... The Ransomware Ecosystem Now Has Criminal VC Investors

Ransomware Attacks Put Singapore Organizations at Risk of Violation of the Personal Data Protection Act

Counterterrorism Strategies Could Be the Key to Stopping Ransomware

Phishbait Follows Current Events

KnowBe4 Fresh Content Updates from June

[On-Demand Webinar] Implement DMARC the Right Way to Keep Phishing Attacks Out of Your Inbox

Ransomware Attacks from Within Russia So Impactful, U.S. Government Says They Will Take Action If Russia Won’t

How REvil Works: A Look Inside the World’s Most Famous Ransomware-as-a-Service

Social Engineering and Organizational Culture

Lazarus Group Continues Targeting Defense Contractors

87% Increase in Social Engineering Scams During the First Quarter of 2021 Compared to Q1 2020

Your The Majority of Business Email Compromise Phishing Attacks Initially Go for Credentials, Not Money

It Was Only a Matter of Time: The Ransomware Ecosystem Has Given Birth to VC Investors

CyberheistNews Vol 11 #26 [Eye Opener] Almost All LinkedIn User’s Data Has Been Scraped and Is up for Sale on the Dark Web

WhatsApp Phishing Scams Significantly Increase

HMRC-Branded Phishing Attacks Targeting U.K. Users Saw an 87% Increase During COVID

Two-Thirds of Organizations Have Experienced Spear Phishing Attacks in 2021

Important Kaseya Notice! Turn VSA Off. Now. Ransomware. Updated

[BREAKING] NSA, Partners Release Cybersecurity Advisory on Brute Force Global Cyber Campaign

New IcedID and QBot Phishing Campaigns Are Running Amuck

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