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

[Eyes Open] The FTC Reveals The Latest Top Five Text Message Scams

Jun 21, 2023 8:53:16 AM By Stu Sjouwerman

The U.S. Federal Trade Commission (FTC) has published a data spotlight outlining the most common text message scams. Phony bank fraud prevention alerts were the most common type of text ...

CyberheistNews Vol 13 #25 [Fingerprints All Over] Stolen Credentials Are the No. 1 Root Cause of Data Breaches

Jun 20, 2023 9:00:00 AM By Stu Sjouwerman

CyberheistNews Vol 13 #25 | June 20th, 2023 [Fingerprints All Over] Stolen Credentials Are the No. 1 Root Cause of Data Breaches Verizon's DBIR always has a lot of information to unpack, ...

New Social Engineering Tactic Uses PDFs in Business Email Compromise Attacks

Jun 20, 2023 8:46:31 AM By Stu Sjouwerman

Legitimate services can be exploited in social engineering, including business email compromise (BEC) attacks.  Researchers at Check Point describe one current BEC campaign that’s using ...

Breakdown of an Impersonation Attack: Using IPFS and Personalization to Improve Attack Success

Jun 15, 2023 3:20:18 PM By Stu Sjouwerman

Details from a simple impersonation phishing attack show how well thought out these attacks really are in order to heighten their ability to fool victims and harvest credentials.

UK Attacker Responsible for a Literal “Man-in-the-Middle” Ransomware Attack is Finally Brought to Justice

Jun 15, 2023 3:20:15 PM By Stu Sjouwerman

The recent conviction of a U.K. man for cyber crimes committed in 2018 brings to light a cyber attack where this attacker manually performed the “in-the-middle” part of an attack.

New Survey Shows 40% of People Searching for a Job Encountered a Scam

Jun 15, 2023 8:47:35 AM By Stu Sjouwerman

A survey by PasswordManager.com has found that one in three job seekers has fallen for, and responded to, fake job scams over the past two years.

[INFOGRAPHIC] KnowBe4’s SecurityCoach: Top 10 Risky Behaviors

Jun 14, 2023 4:08:25 PM By Stu Sjouwerman

Real-time security coaching helps improve your organization’s security culture by enabling real-time coaching of your users in response to risky security behaviors.

Takeaways From a Threat Intelligence Specialist on Artificial Intelligence Being a 'Double-Edged Sword'

Jun 14, 2023 2:23:46 PM By Stu Sjouwerman

While artificial intelligence (AI) has been the hot topic of this year, a theme that I continue to see is that AI is being used for good and evil.

France Accuses Russia of Spoofing Foreign Ministry Website in ‘Typosquatting’ Campaign

Jun 14, 2023 2:10:17 PM By Stu Sjouwerman

The French government is taking a stand against the increasing threat of digital warfare. Publicly accusing Russia of conducting an extensive online manipulation campaign, France is ...

Cybercriminals Spoof German Media Anga Com Conference in New Phishing Campaign

Jun 14, 2023 8:46:15 AM By Stu Sjouwerman

A phishing campaign is spoofing the major German media conference Anga Com, according to Jeremy Fuchs at Avanan.

85% of Organizations Have Experienced At Least One Ransomware Attack in the Last Year

Jun 13, 2023 9:56:50 AM By Stu Sjouwerman

Ransomware attacks are as pervasive as ever, with new data demonstrating just how impactful the attacks really are.

State-Based Cyber Attacks Continue to Be a Thorn in the Cyber Insurer's Side

Jun 13, 2023 9:56:46 AM By Stu Sjouwerman

As government-sponsored and widespread vulnerability attacks continue to result in larger damages, cyber insurers are looking for opportunities to still meet demand without incurring risk.

Microsoft Describes a Sophisticated Phishing Campaign that Targeted Several Financial Organizations

Jun 13, 2023 9:56:43 AM By Stu Sjouwerman

Microsoft describes a sophisticated phishing campaign that targeted several financial organizations.

CyberheistNews Vol 13 #24 [The Mind's Bias] Pretexting Now Tops Phishing in Social Engineering Attacks

Jun 13, 2023 9:00:00 AM By Stu Sjouwerman

CyberheistNews Vol 13 #24 | June 13th, 2023 [The Mind's Bias] Pretexting Now Tops Phishing in Social Engineering Attacks The New Verizon DBIR is a treasure trove of data. As we will cover ...

[ON-DEMAND] A Master Class on Cybersecurity: Roger Grimes Teaches Password Best Practices

Jun 13, 2023 8:00:00 AM By Stu Sjouwerman

What really makes a “strong” password? And why are you and your end-users continually tortured by them? How do hackers crack your passwords with ease? And what can/should you do to ...

Half of U.K. Companies Have Been a Cyber Attack Victim in the Last Three Years

Jun 12, 2023 9:18:26 AM By Stu Sjouwerman

New data puts the spotlight on the human factor in U.K. cyber attacks, where users continue to be susceptible to social engineering, creating the so-called “Human Risk.”

Forrester: AI, Cloud Computing, and Geopolitics are Emerging Cyberthreats in 2023

Jun 12, 2023 9:18:07 AM By Stu Sjouwerman

Wouldn’t it be great if your cybersecurity strategy only had to focus on just a few threats? Sigh… if only life were that easy. But new predictions for this year’s most prevalent cyber ...

Organizations Take 43 Hours to Detect an Spear Phishing Cyber Attack

Jun 12, 2023 9:17:52 AM By Stu Sjouwerman

New data makes it crystal clear that spear phishing is a real problem… and organizations may not properly be prepared to detect and address it.

How NK's Cyber Criminals Stole 3 Billion in Crypto To Fund Their Nukes

Jun 11, 2023 8:01:42 PM By Stu Sjouwerman

The Wall Street Journal today revealed that North Korea's hacker army managed to steal a huge amount of cryptocurrency amounting to $3 billion to finance their nuclear program. US ...

Verizon: Stolen Credentials Tops the List of Threat Actions in Breaches

Jun 9, 2023 10:00:18 AM By Stu Sjouwerman

Verizon's DBIR always has a lot of information to unpack, so I’ll continue my review by covering how stolen credentials play a role in attacks.

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