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

[Heads-up] Russian Hackers Widen Their Cyber Attacks Again With Spear Phishing Political Targets

The GRU, the Russian military intelligence spy agency which was responsible for the 2016 election cyber attacks, is at it again and are now targeting the U.S. Senate and conservative ...

KnowBe4 Adds Twist & Shout Video Modules to ModStore

KnowBe4 has partnered with Twist & Shout, makers of entertaining films for businesses, on their Restricted Intelligence show. The videos cover a wide range of social engineering ...

Hackbusters - Where Can You Discuss All Things Social Engineering?

The KnowBe4 Hackbuster’s Forum is an online community dedicated to stopping the bad guys that use social engineering to hack your organization.

Great "Defense-in-Depth" InfoGraphic

Michael Fisher shared this on Twitter. Very nice and gives an immediate overview of #CyberSecurity Defense-in-Depth with all the areas it encompasses. Here it is:

Phishing is Still the #1 Cyber-Fraud Tactic

Online, e-commerce and mobile fraud are on the rise, according to RSA, with 41% of successful attacks enabled by phishing scams.

KnowBe4 Rockets To No 96 On the Inc. 500, Appearing For The Third Time. Stu Takes A CakeDive

Today, we celebrated two milestones in-one:

Scam Of The Week: SharePoint Phishing Attack On Office 365 Users

The attack dubbed “PhishPoint” by Cloud Security vendor Avanan demonstrates the craftiness and extent cybercriminals will go to in order to harvest Office 365 credentials.

Global Cyber Security spending to top $114bn in 2018, says Gartner

The need for improved detection, response and privacy is driving the demand for security products and services in response to security risks, business needs and industry changes, Gartner ...

Organizations Remain Unprepared for Cyber Attack in 2018

With such an abundance of information around attack methods, vulnerabilities, and potential targets, you would think IT has a handle on cybersecurity. Accenture shows us they don’t.