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

Malicious Business Email Campaign Uses Google Cloud Storage to Target Banks and Financial Services Companies

Researchers at Menlo Labs have spotted and tracked a new campaign aimed at tricking employees of US and UK financial firms and banks into downloading Houdini Malware.

KnowBe4 Fresh Content Update & New Features December 2018

Here's a few important updates to share with you for the month of December!

Is Anyone in Charge of Information Security? Krebs Finds a Lack of Leadership Mentioned in 100 Largest Companies in the World

If there’s anyone who is close to the pulse of security, it’s Brian Krebs. In one of his recent articles, he discusses how organizations discuss how very important information security ...

Iranian Hacker Group Beats 2FA with New Phishing Campaign Targeting Google Users

A new phishing attack method shows that even the mighty two-factor authentication can be beaten without needing to possess a user’s mobile device.

The IRS Warns of a 60% Increase in Phishing Attacks Targeting Tax Professionals

As part of National Tax Security Awareness Week this month, the IRS notes a surge in phishing scams aimed at stealing money or tax-related data.

Real Estate Transactions are Increasingly Vulnerable to CEO Fraud

The real estate industry is a particularly attractive target for BEC (Business Email Compromise—also known as CEO Fraud—attacks, according to FBI spokesman David Fitz. Fitz told The ...

Gartner's Neil Wynne: "Email Phishing is a Growing Threat"

Email phishing is a top threat to organizations because it works so well, according to Neil Wynne, principal and analyst for secure business enablement at Gartner. Wynne told Stephanie ...

APWG: Phishing Remains a Constant and Effective Means of Attack

The latest report from the Anti-Phishing Working Group (APWG) highlights the prevalence of phishing and how it’s changing to remain an effective attack method.

How Wellcome Trust Executives Got Whaled By Oldest Trick In The Phishing Playbook

Forbes contributor Davey Winder wrote an excellent comment: "It hasn't been the greatest week for the non-profit sector with the revelation that two well-known charities have fallen ...