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

Healthcare Industry Names KnowBe4 As The 2019 Top Rated Platform For Cybersecurity Training & Education

Black Book Market Research LLC surveyed over 2,876 security professionals from 733 provider organizations to identify gaps, vulnerabilities and deficiencies that persist in keeping ...

American Nikkei Employee Falls For Social Engineering Scam And Loses 29 Million Dollars

Phil Muncaster at InfoSec Mag had the (painful) scoop: "Media giant Nikkei has become the latest firm to suffer a humiliating Business Email Compromise (BEC), after it admitted losing ...

Phishing Kits Hosted on More than Six Thousand Domains

Akamai’s 2019 State of the Internet / Security Report found that 6,035 domains were being used to host 120 different phishing kits, according to BleepingComputer. The phishing kits ...

[Heads Up] Scam Of The Week: Phishing Attacks Using Better Benefits And Pay Raise Bait

Millions of employees use KnowBe4's Phish Alert Button to report suspect emails, and thousands of organizations share these reports with us. This has become a fascinating threat source, ...

KnowBe4 Fresh Content & Features Updates - October 2019

Check out the content and feature updates in the KnowBe4 platform for the month of October!

Webroot Threat Researchers Take a Fresh Look at Phishing Tactics

Most people aren’t aware of how sophisticated phishing email templates and websites have become, according to David Dufour from Webroot. Dufour recently told the CyberWire that criminals ...

SAVE THE DATE!! KnowBe4 User Conference - April 15-17, 2020

KnowBe4’s third annual KB4-Con user conference will be held at the Gaylord Palms Resort & Convention Center in Orlando, FL. KnowBe4 customers get twofree event passes per ...

KnowBe4 Achieves FedRAMP Authorization from the US Federal Government

On October 25, 2019, KnowBe4 became the first and only security awareness training and simulated phishing provider to receive FedRAMP authorized status. We are very proud of this ...

Captain Awareness Has A Halloween Message For You

Think Before You Click!

It's Benefits Enrollment Season Again...And That Means Prime Phishing Season!

By Eric Howes, KnowBe4 Principal Lab Researcher. Not content just to make tax season even more miserable than it already is, malicious actors are increasingly maneuvering to capitalize on ...