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

New 'Frankenphishing' Tactic Combines Other Phishing Kits Into One

RiskIQ has observed another phishing kit that’s been pieced together from portions of other phishing kits.

[HEADS UP] Popular Stock Trading Platform Becomes Next Victim of Data Breach

Bleeping Computer recently reported a data breach from popular stock trading platform Robinhood. This breach has impacted over 7 million of their customers.

New Browser Cookie “Smash and Grab” Attack Targets YouTube Creators

New attack details from Google’s Threat Analysis Group show how cybercriminals are innovating ways to use an initial attack to aid in additional crypto scams.

Enabling and Securing Remote Workers are Top Concerns as 80% of Organizations Experience Cyberattacks as Often as Once per Hour

Organizations appear to be overconfident in their ability to protect themselves, despite glaring gaps in security, according to new data from cyber protection vendor, Acronis.

Preparing for Black Friday Scams

Researchers at Tessian caution that people should be wary of scams as Black Friday approaches. The researchers found that thirty percent of people in the US reported receiving a phishing ...

Your KnowBe4 Fresh Content Updates from October 2021

Check out the 22 new pieces of training content added in October, alongside the always fresh content update highlights.

FBI Warns that Financial Events are Occasions for Extortion

The US Federal Bureau of Investigation (FBI) has warned that ransomware operators are targeting companies that are going through financial events. The timing is designed to elicit and ...

Not that You Would, but Looking for a Sugar Daddy's a Bad Idea

Scammers are using social media to target young women with offers to be their “sugar daddy,” according to Laura Josepha Zimmermann at Avast. Zimmermann received a message on Instagram ...

[On-Demand Webinar] Hacking Your Organization: 7 Steps Cybercriminals Use to Take Total Control of Your Network

The scary fact is that the majority of data breaches are caused by human error. With so many technical controls in place hackers are still getting through to your end users. How are they ...