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

Star Wars Rogue One: A Phish Story

We’ve heard that scammers are exploiting the release of the new Star Wars movie by distributing malware disguised as free copies of the film. But what if we turned this on its head and ...

These Aren't the Droids You're Looking For

Researchers at Kaspersky have identified sixty-five malicious files masquerading as online copies of Star Wars: The Rise of Skywalker, TechRepublic reports. The files are spread via ...

How Phishing is Evolving

Attackers are always using new tactics to stay ahead of defenders, and Microsoft’s Office 365 Threat Research Team describes three noteworthy phishing techniques they’ve observed in 2019. ...

Whaling: Like Phishing, but After Bigger Game

Organizations have to acknowledge their responsibility for ensuring their employees are able to recognize targeted phishing attacks, according to James McGachie, Legal Director of DLA ...

Top 9 IT Security Trends You Need to Watch Out For in 2020

Cyber security and security awareness training landscapes are constantly changing. IT Professionals, like you, always need to know what is coming next in order to build (and maintain) ...

Royal Mail Scam: Sorry, You Haven't in Fact Won that iPhone 11 Pro

An SMS phishing scam is targeting people in the UK with fake notifications that appear to come from the Royal Mail postal service, The Sun reports. The messages are personalized, and they ...

1000+ Schools Hit In October Alone By Still Active Ransomware Attack Wave

October was the first month we got some visibility on how the bad guys are now targeting school districts and students across the USA in a wave of new ransomware attacks. This attack is ...

Best Practices for Creating Order from Phish Reporting Chaos

When Greg Kras, KnowBe4’s Chief Product Officer, first rolled out our Phish Alert Button (your users can use it to report suspicious emails), he thought it would be a great way for you to ...

Financial Advisor Fined After Falling for BEC Scam

The Financial Industry Regulatory Authority (FINRA) fined and temporarily suspended a financial advisor working for UBS after he was tricked into transferring $511,870 from a client’s ...