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

One-Fourth of Organizations Have Been Victim to a Ransomware Attack with 59% Starting with Email

New analysis highlights just how prevalent ransomware attacks are today, how material the impacts are, whether organizations get their data back, and exactly how these attacks start.

[HEADS UP] The Old "Nigerian Prince Scam" resurfaces as "Russian Billionaire Fraud"

Scammers continue to get creative when it comes to current events - and this new scam is no exception.

German Police Collar Alleged Phishing Cybercriminals

The Bundeskriminalamt (BKA), Germany's federal criminal police, raided three homes on Thursday, September 29th, in the course of an investigation of a cyber criminal operation the BKA ...

Trend Micro Reports Stolen Identities And Deepfakes

Researchers at Trend Micro warn that the social engineering potential of deepfakes is becoming an increasing concern. Deepfakes have already been successfully used in attacks, and Trend ...

Reshaping the Threat Landscape: Deepfake Cyberattacks Are Here

Jai Vijayan, Contributing Writer at Dark Reading correctly stated: "It's time to dispel notions of deepfakes as an emergent threat. All the pieces for widespread attacks are in place and ...

Response-Based Phishing Scams Targeting Corporate Inboxes Hit New Records

Setting a record for both highest count and share in volume with other types of phishing scams, response-based attacks are at their highest since 2020 and are continuing to grow.

Your KnowBe4 Fresh Content Updates from September 2022

Check out the 35 new pieces of training content added in September, alongside the always fresh content update highlights and new features.

Social Engineering and Bogus Job Offers

Researchers at SentinelOne have warned that North Korea’s Lazarus Group is using phony Crypto.com job offers to distribute macOS malware. The researchers aren’t sure how the lures are ...

[On-Demand Webinar] A Master Class on Cybersecurity: Roger Grimes Teaches Password Best Practices

What really makes a “strong” password? And why are you and your end-users continually tortured by them? How do hackers crack your passwords with ease? And what can/should you do to ...

American Airlines Traces Breach to Phishing Incident

American Airlines has disclosed that an attacker used phishing attacks to breach the company’s systems, BleepingComputer reports.