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

QuickBooks Phishing Scam is Back

Scammers are continuing to abuse the QuickBooks tax accounting software to send phishing scams, according to Roger Kay at INKY.

[On-Demand Webinar] Hacks That Bypass Multi-Factor Authentication and How to Make Your MFA Solution Phishing Resistant

The average person believes using Multi-Factor Authentication (MFA) makes them significantly less likely to be hacked. That is simply not true! Hackers can bypass 90-95% of MFA solutions ...

Phishing Attack Steals $8 Million Worth of Cryptocurrency

Scammers stole $8 million worth of Ethereum from users of the Uniswap cryptocurrency exchange, according to Sujith Somraaj at Decrypt. Notably, the attackers relied purely on social ...

Callback Malware Campaigns Impersonate CrowdStrike and Other Cybersecurity Companies

CrowdStrike sent the following Tech Alert to their customers

All it Takes is “Free” Beer to Steal Your Personal Data

A recent phishing scam impersonating the Heineken beer brand demonstrates how very little effort is needed by scammers to convince victims to give up all kinds of personal information.

Multi-Medium Phishing Tactics Increase Attack Effectiveness by 300%

New data from IBM shows how attackers are leveraging more than just email to elevate their chances of reaching their malicious goals – and their victims are helping them do it.

Amazon Prime Day Phishing

Check Point Research (CPR) observed a 37% increase in Amazon-themed phishing attacks during the first week of July, ahead of Amazon Prime day this week. The emails come in a variety of ...

KnowBe4 Named a Leader in the Summer 2022 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR)

We are excited to announce that KnowBe4 has been named a leader in the Summer 2022 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR) for the PhishER platform for ...

KnowBe4 Named a Leader in the Summer 2022 G2 Grid Report for Security Awareness Training

We are thrilled to announce that KnowBe4 has been named a leader in the latest G2 Grid Report that compares Security Awareness Training (SAT) vendors based on user reviews, customer ...