KnowBe4 Blog

Keeping you informed. Keeping you aware.
Stay on top of the latest in human and agent security including social and prompt engineering, ransomware and phishing attacks.

Stu Sjouwerman

Founder and Executive Chairman

Stu Sjouwerman (pronounced “shower-man”) is the Founder and Executive Chairman 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.


Recent Posts

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

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

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

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

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

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

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

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'

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

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

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