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

Security Practices Are Improving, But Cybercriminals Are Keeping Up

A survey by the Spanish GetApp software rating site has found that the number of organizations using phishing simulations has risen from 30% in 2019 to 70% in 2022. Despite this positive ...

Phishing Attacks Reach an All-Time High, Quadrupling That of Early 2020

New quarterly data from the Anti-Phishing Working Group shows unprecedented phishing activity with increases in BEC, use of social media, vishing, and smishing.

Social Engineering Targets Healthcare Payment Processors

The US Federal Bureau of Investigation (FBI) has issued an alert warning of an increase in phishing and other social engineering attacks against healthcare payment processors.

[HEADS UP] Bank of America Warns About Recent Scams That Request Zelle Payment Due to 'Suspicious Activity'

Bank of America recently sent a customer service email warning users to watch out for this new phishing attack.

Uber security breach 'looks bad', caused by social engineering

It was all over the news, but ZDNet's Eileen Yu was one of the first. -- "Hacker is believed to have breached Uber's entire network in a social engineering attack, which one security ...

Phishing from a French Government Career Website

Attackers are exploiting a legitimate French government website to send phishing messages, according to researchers at Vade. The website, Pôle Emploi, is a career site for companies ...

[MSP News] Manage Your Multiple KnowBe4 Accounts Faster with Managed Training and Phishing Rolled Into One

You wanted the ability to manage both phishing and training campaigns across multiple KnowBe4 accounts, and we listened!

Cisco Attempt Attributed to Lapsus$ Group

Security researchers at Cisco Talos have issued an update on the cyberattack Cisco sustained earlier this year. The attack began with a phishing attack against a Cisco employee, which led ...

[HEADS UP] The Online Scams exploiting Queen Elizabeth's Death are Here

The Sun just reported that experts are sending a warning about online scams in relation to Queen Elizabeth's passing.