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

A Cyberespionage Group Uses Social Engineering

A sophisticated China-aligned threat actor is using social engineering to carry out cyberespionage and financially motivated attacks, according to researchers at Trend Micro.

North Korean Cryptocurrency Theft Relies on Social Engineering

A North Korean threat actor being called “BlueNoroff,” a subunit of Pyongyang’s Lazarus Group, has been targeting cryptocurrency startups with financially motivated attacks, researchers ...

KnowBe4 Named a 2021 Gartner Peer Insights™ Customers’ Choice for Security Awareness Computer-Based Training

KnowBe4 is excited to announce that we have been recognized as an overall Customers’ Choice in the December 2021 Gartner Peer Insights ‘Voice of the Customer’: Security Awareness ...

[On-Demand Webinar] Nuclear Ransomware 3.0: We Thought It Was Bad and Then It Got Even Worse

We thought it was bad enough when traditional ransomware started to steal data in its second generation of evolution, now dubbed "double extortion". The third stage of ransomware is ...

Fifty FIFA eSports Accounts Were Hacked Via Social Engineering

Video game maker Electronic Arts (EA) has stated that around fifty high-profile accounts for the soccer game FIFA 22 were hacked after attackers manipulated the company’s customer service ...

FBI: Beware of a New Google Voice Authentication Scam – Even if You Don’t Use Google Voice!

A new advisory warns of a scam that can affect literally anyone designed as a precursor to additional vishing scams and/or to perform Gmail account takeovers.

Payment Fraud Moves to the Real World with Fake QR Codes on Parking Meters

Scammers are using the professional-looking stickers to point those parking to an alternate pay site to collect credit card details in the perfect situation where victims would be none ...

U.S. Government Warns of More Cyberattacks Targeting Critical Infrastructure

A new joint cybersecurity advisory from CISA, the FBI, and the NSA cautions organizations against Russian-based attacks and provides mitigations to be implemented.

It’s a Fact: Cyberattacks Continue Because Your Users Forget

The weakest part of your cybersecurity can be identified by looking at how cyberattacks take place, and how well your defenses stand up. But did you know the answer comes from the year ...

“Information Disorder”: Giving a Name to One of the Most Impactful Parts of Phishing Scams

At the core of every phishing scam is a combination of a bunch of lies and (sometimes) a few truths. A new focus on better defining the misuse of information provides insight into why ...