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

[Eye-Opening] Increase of Phishing Attacks in Australia Should Alarm Organizations

Phishing attacks are on the rise in Australia, the Australian Broadcasting Corporation (ABC) reports.

Bloomberg Reports: Stealth QR Code Phishing Attack On Major US Energy Company

During my two years as the CEO of a Public Company, Bloomberg became one of my go-to sources for financial news. I am still subscribed and today found an interesting story from Drake ...

[Must Know] Cybercriminals May Already Have Hacked Your LinkedIn Account. How To Secure.

New reports show many LinkedIn users have reported complaints about accounts being taken over by bad actors.

Not Another Voter Registration Scam (But It Looks Like One)

The UK government’s voter registration website is causing confusion again, according to Ax Sharma at BleepingComputer. The site, hosted at a “.com” address, often makes users wonder if ...

Ransomware Attacks Surge as Generative AI Becomes a Commodity Tool in the Threat Actor’s Arsenal

According to a new report, cybercriminals are making full use of AI to create more convincing phishing emails, generating malware, and more to increase the chances of ransomware attack ...

Online Scams Targeting Individuals Double in a Single Quarter as Global Risk Rises

New analysis of the second quarter of this year makes it clear that individuals and organizations alike are at an increasing risk of web- and email-based scams.

Social Media Platforms Become Half of all Phishing Attack Targets

Social platforms are the current favorite target of cybercriminals, displacing financial institutions, providing cybercriminals with credentials to be used as launch points for further ...

Ransomware's Paradox: Why Falling Monetization Rates Are Accompanied by Soaring Ransom Payments - A Must-Read Analysis.

Grab a cup of coffee, and let's talk about something that's been making waves in the cybersecurity world: ransomware. You've probably heard about the alarming rise in ransom payments, but ...

Ransomware Distributed by Fake Tripadvisor Reviews

The Knight ransomware-as-a-service offering (formerly known as “Cyclops”) is using phony TripAdvisor complaints to deliver its malware, BleepingComputer reports.

[FREE RESOURCE KIT] Cybersecurity Awareness Month Kit 2023 Now Available

Get the resources you need to help keep your users safe from malicious social engineering attacks during this year's Cybersecurity Awareness Month with our free resource kit.