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

Phishing as an Espionage Tactic for Cybercriminals

Phishing is a familiar criminal tactic. It’s also used by intelligence services for cyber espionage campaigns. On Friday, April 28th, 2023, CERT-UA, Ukraine’s Computer Emergency Response ...

Phishing Attack Frequency Rises Nearly 50% as Some Sectors Increase by as Much as 576%

New data provides a multi-faceted look at the changing face of phishing attacks. This data includes who’s being targeted, the tactics being used, and why phishing attacks continue to work.

Automate Reporting for Security Awareness Training Events and Suspicious Email Remediation Management with Cortex XSOAR and KnowBe4

Security teams face unique challenges in today’s rapidly-changing landscape of phishing, malware, and other social engineering and cybersecurity threats. Collaboration across disparate ...

Your KnowBe4 Fresh Content Updates from April 2023

Check out the 19 new pieces of training content added in April, alongside the always fresh content update highlights, events and new features.

Heart of the Matter: How LLMs Can Show Political Bias in Their Outputs

Wired just published an interesting story about political bias that can show up in LLM's due to their training. It is becoming clear that training an LLM to exhibit a certain bias is ...

[Eyes Wide Shut] Fed Powell's Call with Russian Pranksters Exposed as Social Engineering

It was all over the news. Fed's Jerome Powell was social engineered by Russian pranksters posing as Zelensky.

Does ChatGPT Have Cybersecurity Tells?

Poker players and other human lie detectors look for “tells,” that is, a sign by which someone might unwittingly or involuntarily reveal what they know, or what they intend to do. A ...

Latest QBot Attacks Use a Mixture of PDF Attachments and Windows Scripting Host Files to Infect Victims

QBot malware seems to be outliving its competitors through innovative new ways to socially engineer victims into helping install it.

Scammers Impersonate Zelle via the Lure of “Getting Paid” to Get Paid Themselves

A new impersonation scam targets users of the popular pay platform under the guise of the victim having money coming to them and with the goal to obtain Zelle credentials.

Despite a Majority of Organizations Believing They’re Prepared for Cyber Attacks, Half Were Still Victims

A new survey points to an overconfidence around organization’s preparedness, despite admitting to falling victim to ransomware attacks – in some cases multiple times.