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

HoneyTrap, The Oldest In The World Now As Iranian Catphish on LinkedIn

Iranian state-sponsored hackers are increasing their targeting of civilian targets amid escalating tensions between the US and Iran, according to Zak Doffman at Forbes. Doffman cites a ...

Q2 2019 Top-Clicked Phishing Email Subjects from KnowBe4 [INFOGRAPHIC]

KnowBe4 reports on the top-clicked phishing emails by subject lines each quarter in three different categories: subjects related to social media, general subjects, and 'In the Wild' - we ...

KnowBe4 Achieves Highest and Furthest Overall Position for Its Ability to Execute and Completeness of Vision in the 2019 Gartner Magic Quadrant for Security Awareness CBT

We are excited to announce that KnowBe4 has achieved the highest and furthest overall position as a Leader for its ability to execute and completeness of vision in the 2019 Magic Quadrant ...

New Cyber Attack Trends Report Reveals That Digital Criminals Made Off With $45 Billion in 2018

Scott Ikeda at CPO Magazine posted insights about a new report on cyber attack trends which combines information from a number of high-level sources. It reveals a startling amount of ...

Fake Accounts Go to College

The US Department of Education warned last week that 62 colleges were exposed to criminals who exploited an authentication vulnerability in a popular enterprise resource planning ...

Is Equifax Paying Up To 700 Million... Or Is It 1.4 Billion?

In a settlement with the FTC, consumers affected by the breach are eligible for up to $20,000 in a cash settlement, depending on damages they can prove. But different news sources claim ...

Hackers Exfiltrate 7.5TB From Russian FSB Contractor

'Biggest ever breach' exposes project to de-anonymize Tor traffic. IF YOU'RE A CONTRACTOR to a government intelligence service, then getting hacked is a really bad look. Especially if the ...

Windows Defender Gets a New Name: Microsoft Defender

Bleepingcomputer reported: "Windows Defender is being rebranded to Microsoft Defender to indicate that it now part of a cross platform family of products. This includes enterprise ...

[Scam of The Week] New 'US State Police' Phishing Extortion Scam Includes Contact Numbers

Our friend Larry Abrams at Bleeping computer warned: "A new extortion scam is underway that pretends to be from a US State Police detective who is willing to delete child porn evidence if ...

KnowBe4 Adds Language Localization to Learner's Experience For All Customers

We are excited to announce the availability of KnowBe4’s new localized training interface option for your users!