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

[Scam of the Week] Amazon Prime Day or Amazon Crime Day? Don’t Fall Victim to Phishing

As Amazon Prime Day approaches, Checkpoint research is sending a warning that Amazon Prime Day scams will ramp up very soon.

[Eye Opener] Lessons Learned from a Big Hotel's Recent Data Breach Caused By Social Engineering

This week Marriott International, one of the largest hotel chains, suffered their second data breach of 2022. The attack by a group named 'Group with No Name' (GNN) took place in early ...

One Employee’s Desire for a New Job Cost His Employer $540 million

A “Fake Job” scam allows cybercriminals to gain entrance to the network at Sky Mavis, makers of the game Axie Infinity, and eventually take the company for half a billion dollars in ...

Your KnowBe4 Fresh Content Updates from June 2022

Check out the 68 new pieces of training content added in June, alongside the always fresh content update highlights and new features.

FBI Issues Warning on China for Attempting to 'Ransack' Western Companies

Bloomberg recently reported that FBI Director Christopher Wray issued a warning to Western companies that China wants to 'ransack' their IP. The goal of this attack would be to dominate ...

Phishing Campaign Impersonates the UAE

Researchers at CloudSEK have observed a financially motivated phishing campaign that’s impersonating the United Arab Emirates (UAE) Ministry of Human Resources. The large-scale campaign ...

Expect More Travel-Themed Phishing Scams as 80% of Americans Plan to Travel

The lure of last-minute deals to get away after staying home for the last 2 years is so strong, scammers are using it to their advantage with scams intent on stealing online credentials.

New WhatsApp Scam Uses Call Forwarding Social Engineering to Hijack Accounts

This is a great example of how even the simplest of social engineering tactics can be used as the first step in a likely-larger scam. In a recent short post on LinkedIn, Rahul Sasi, CEO ...

New Phishing Campaign is Targeting TrustWallet With Impersonation Emails

Vade Secure warns that a phishing campaign is targeting TrustWallet cryptocurrency wallet users with phony verification emails.