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

Phishing Tests Start The Virtuous Cycle Of A Strong Security Culture

Phishing tests are the catalyst to achieve a sustainable security culture within your organization. They are actually the start of a virtuous cycle that helps you move up to the highest ...

Exponential Deepfake Porn is Out of Control And a Huge Security Risk

This year, the world of deepfake pornography is growing at an alarming rate, thanks to advances in AI and ML. Deepfakes make it look like victims are part of explicit content without ...

Subscribe to CyberheistNews, Now Available on LinkedIn!

We're so excited to announce that CyberheistNews is now available on LinkedIn!

9 in 10 CISOs Report at Least One Disruptive Cyberattack in the Last Year

A new report sheds light on whether CISOs have been the victim of a cyber attacks, if they're every paid a ransom, their greatest cyber concerns, and much more.

60% of Organizations are Very Concerned About the Potential Impact of Ransomware Attacks

As the number of reported ransomware attacks increases, new data provides a fresh look at how ready organizations are for ransomware attacks.

53% of Organizations Experienced Cyber Attacks

As increasing percentages of businesses experience cyberattacks, new data provides details on where the most organizational risk lies.

New Research: Phishing Remains the Most Popular Technique for Bad Actors

A report from Trustwave notes that phishing remains one of the most popular and effective techniques for attackers to gain access to organizations.

“Human-Operated” Ransomware Attacks Double in the Last Year

As attackers leave little-to-no traces of their attack patterns, more ransomware groups are shifting from automated attacks to manual attacks.

Harvested Credentials Are Put Up for Sale Monthly on the Dark Web at a Rate of 10,000 a Month

Credential harvesting has become a business in and of itself within the cybercrime economy. New insight from Microsoft details the types of attacks your organization should watch out for.