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

New Phishing Scam Leverages Chat To Add Credibility And Ensure Success

A new phishing scam is leveraging trusted aspects of ecommerce to make their scams look legitimate.

Phishing Campaigns Continue To Exploit CrowdStrike Outage

As expected, threat actors are taking advantage of the global IT outage caused by a faulty CrowdStrike update last Friday, SC Media reports.

Russian Super-Threat Group Fin7 Comes Back from the Dead

Declared “dead” by the U.S. Attorney’s Office in 2023, the Russian cyber crime group Fin7 is impersonating some of the top global brands.

Your KnowBe4 Fresh Content Updates from July 2024

Check out the 26 new pieces of training content added in July, alongside the always fresh content update highlights, events and new features.

Your KnowBe4 Compliance Plus Fresh Content Updates from July 2024

Check out the July updates in Compliance Plus so you can stay on top of featured compliance training content.

North Korean Fake IT Worker FAQ

Frequently Asked Questions About KnowBe4's Fake IT Worker Blog July 23, 2024, I wrote a blog post about how KnowBe4 inadvertently hired a skillful North Korean IT worker who used the ...

Phishing Campaigns Abuse Cloud Platforms to Target Latin America

Several threat actors are abusing legitimate cloud services to launch phishing attacks against users in Latin America, according to Google’s latest Threat Horizons Report.

Crypto Data Breach Continues to Fuel Phishing Scams Years Later

According to security researchers at Cisco Talos, emails impersonating legitimate officers at the Cyprus Securities and Exchange Commission are being sent to prior Opteck customers that ...

How a North Korean Fake IT Worker Tried to Infiltrate Us

Incident Report Summary: Insider Threat First of all: No illegal access was gained, and no data was lost, compromised, or exfiltrated on any KnowBe4 systems. This is not a data breach ...