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 FEATURE] Brandable Content Now Available

You asked, we listened! We’re excited to introduce the new Brandable Content feature within your KnowBe4 platform! You now have the option to add branded custom content to the beginning ...

[Heads Up] Microsoft: Ransomware Gangs That Don't Threaten To Leak Your Data Steal It Anyway

That means you can from now on count a ransomware infection as a data breach with all the consequences that this brings. Moreover, the so-called "human-operated" ransomware gangs have ...

[Click Alert] So, What Is The Phish-prone Percentage On Recent Coronavirus Phishing Tests?

I had some numbers run on the usage of our new, dedicated COVID-19 phishing templates to find out what the Phish-prone percentage was, since this is an unprecedented worldwide event. ...

Can COVID-19 Related Data Breach Worries Stop Your Mergers Or Acquisitions?

The WSJ just reported that the new coronavirus has thrown the M&A dealmaking into disarray. They said: "cybersecurity experts say the workplace upheaval caused by the pandemic will ...

COVID-19 Spam Delivers Remcos RAT

A phishing campaign is impersonating the US Small Business Administration (SBA) in an attempt to deliver the Remcos remote access Trojan, according to researchers at IBM X-Force. The ...

[HEADS UP] Experts Predict 30,000% Increase in COVID-19 Cybersecurity Threats

A security firm is claiming to have seen a staggering 30,000% increase since January in detected phishing, malicious websites and malware designed to capitalize on the COVID-19 crisis.

Two-thirds of Remote Workers Received No Security Awareness Training in the Last Year

This alarming bit of news about U.K. remote workers comes at the worst time when attacks are on the rise, insecure personal devices are being used, and workers are more susceptible to ...

'Florentine Baker Group' Use Microsoft 365 Functionality to Scam Private Equity Firm Out of $1.2 Million

A new investigation by Check Point’s Incident Response Team (CPIRT) demonstrates how brazen cybercriminals are and the lengths they will go to in order to see their scam succeed.

Postcards from a Film Director. The challenges of creating a sitcom during COVID-19 Lockdown

By Jim Shields, Managing Director of U.K.-based Twist & Shout - a KnowBe4 company. When we first created Restricted Intelligence over seven years ago, we had no idea it would be so ...