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

Microsoft Continues to Dominate as the Leading Brand Impersonated in Phishing Attacks

New data from Check Point Research highlights the latest details on which brands are impersonated, giving insight into where the bad guys are most successful.

World Economic Forum: COVID Makes Cybersecurity Problem No. 1

The WEF just published their recent survey over worldwide corporate leaders. When asked about technology objectives that have become a greater priority due to COVID, they elevated ...

Interpol Warns of Romance Scams

Interpol has issued a notice describing a scam tactic popular on dating applications. The scheme is a mixture of a romance scam and an investment fraud, taking advantage of victims’ ...

[INFOGRAPHIC] Q4 2020 Work From Home Phishing Emails on the Rise

KnowBe4's latest quarterly report on top-clicked phishing email subjects is here. These are broken down into three different categories: social media related subjects, general subjects, ...

Charming Kitten Phishing and Smishing Attacks Use Legitimate Google Links and a Tricky Redirection Strategy to Fool Security Solutions

This breakdown of the latest attack from the Charming Kitten cybercriminal gang shows just how much thought goes into obfuscating their tactics and evading detection.

Familiar Advice, but Worth Repeating

Researchers at ESET outline some security best practices to avoid falling for phishing emails. In an article for TechZone360, the researchers explain how to identify suspicious links.

Data Activist Group Publishes Exfiltrated Ransomware Data Previously Available Only on the Dark Web

A small group known as Distributed Denial of Secrets, or DDoSecrets, works to make data stolen as part of ransomware attacks available to journalists.

Social Engineering is a Core Element of Nearly Every Cyber Attack

As organizations look to figure out where to strengthen their cybersecurity strategy, industry data provides guidance by pointing at one of the most common aspects of cyberattacks for ...

The 10 Phases Of Organizational Security Awareness

After 10 years of continued expansion in the security awareness space and providing our platform to tens of thousands of customers, we have observed a certain progress of organizational ...