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

New Multi-Stage Word Phishing Attack Infects Users Without Using Macros

Spam distributors are using a new technique to infect users with malware, and while this phishing attack relies on having users open Word documents, it does not involve social engineering ...

Lazarus Hacking Group back with new phishing campaign targeting banks and bitcoin users

The North Korean Lazarus Hacking Group, suspected to be behind the WannaCry ransomware attack last year, has returned with a new crime spree, this time targeting financial institutions ...

Security Awareness Training Top Priority for CISOs: Report [PDF]

SecurityWeek's Kevin Townsend wrote an excellent summary of the brand new FS-ISAC - "CISO Cybersecurity Trends Study": "Thirty-five percent of CISOs in the financial sector consider staff ...

KnowBe4 Attains SOC 2 Type I Compliance For The Hosted Phishing And Training Product Offerings

KnowBe4, Inc, the world's largest security awareness training and simulated phishing platform, this week announced it has successfully completed a Service Organization Controls (SOC) 2 ...

WHAT IS “REASONABLE CYBER SECURITY” AND HOW DO COURTS VIEW IT?

Shawn Tuma is an attorney with an internationally recognized reputation in cybersecurity, computer fraud, and data privacy law. He is a Cybersecurity & Data Privacy Attorney at Scheef ...

New Trend In Phishing: Conversation Hijacking

Researchers see a new trend in phishing. Hackers are inserting themselves into email conversations between parties known to and trusted by one another. Once in, they exploit that trust to ...

2018 Winter Olympics Phishing Campaign Hides Evil PowerShell Script In Image

Jonathan, at our friends at Barkly wrote: "Hi all, according to researchers at McAfee, a new malware campaign is targeting organizations associated with the upcoming 2018 Winter Olympics ...

Tennessee Hospital Hit With Cryptojacking Attack Sends Out Databreach Notification

Decatur County General Hospital is notifying 24,000 patients of cryptomining software on its EMR system. In what may be the first report I’ve seen of a hospital having their EMR server ...

KnowBe4 Introduces New Feature: Industry Benchmarking

You have probably seen our recent benchmarking study, drawn from a data set of more than six million users across over 23,000 organizations, showing real-world phishing results over time. ...

The Simulated Phishing Market Enters Early Adolescence

By Perry Carpenter, KnowBe4 Chief Evangelist and Strategy Officer We certainly live in fun times: Barracuda acquiring PhishLine Microsoft adding limited phishing simulation to Office 365 ...