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

Generative AI and the Automation of Social Engineering Increasingly Used By Threat Actors

Threat actors continue to use generative AI tools to craft convincing social engineering attacks, according to Glory Kaburu at Cryptopolitan.

[HEADS UP] Aurora Police Department Warns of Contactless Payment Processors Scams

If you didn't trust contactless payment processors before, you really won't after hearing about this recent scam.

Lazarus Attack on Spanish Aerospace Company Started with Messages from Phony Meta Recruiters

A recent attack on an undisclosed Spanish aerospace company all started with messages to the company's employees that appeared to be coming from Meta recruiters, via LinkedIn Messaging. ...

New SMS Phishing Campaign Impersonating The US Postal Service

DomainTools is tracking an increase in SMS phishing (or “smishing”) campaigns impersonating the US Postal Service (USPS). The text messages inform recipients that there’s a problem with ...

Your KnowBe4 Fresh Content Updates from September 2023

Check out the 66 new pieces of training content added in September, alongside the always fresh content update highlights, events and new features.

[Heads Up] China Invests Billions in Huge Global Disinformation Campaign

Dustin Volz from the WSJ dropped a huge scoop today. This is rocket fuel infosec budget ammo I would send to my C-suite in a New York minute. They said: "Fake authors, bot armies and ...

Ransomware Now Considered a “Crisis” in the Financial Services Sector

A recent panel discussion of banking CISOs and experts at the SIBOS conference focused on the current state of ransomware and what institutions should do to protect themselves.

It’s Official – Generative AI Has Made Phishing Emails Foolproof

The most basic use of tools like ChatGPT to script out professional-looking emails has all but eliminated improperly written content as an indicator of a potential phishing scam.

Threat Group UNC3944 Continues to See Success Using Text-Based Social Engineering

A new update on UNC3944 group's activities shows how they are evolving their focus squarely on SMiShing credential harvesting attacks that result in data theft/extortion attacks.