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

Apple Users Become the Latest Targets of MFA Attacks

A new string of multi-factor authentication (MFA) attacks targeting the reset of Apple IDs seem to be popping up in a likely attempt to steal the victim’s digital identity and more.

IT Leaders Can’t Stop AI and Deepfake Scams as They Top the List of Most Frequent Attacks

New data shows that the attacks IT feels most inadequate to stop are the ones they’re experiencing the most.

Malicious App Impersonates McAfee to Distribute Malware Via Text and Phone Calls

A trojanized version of the McAfee Security app is installing the Android banking Trojan “Vultur,” according to researchers at Fox-IT. The attackers are spreading links to the malicious ...

New Report Shows Phishing Links and Malicious Attachments Are The Top Entry Points of Cyber Attacks

New TTP attack data covering 2023 sheds much needed light on the threat actor and user actions that are putting organizations at the most risk.

Despite Cybersecurity Improvements in UK Organizations, Attacks Still Persist

The UK government's third phase of research shows how well UK organizations have been improving their cybersecurity efforts but indicates that the risk from certain attacks have only been ...

Thread Hijacking Phishing Attack Targets Pennsylvania Journalist

A journalist in Pennsylvania was targeted by phishing attacks that involved thread hijacking, according to Brian Krebs at KrebsOnSecurity.

Must-Read New Study on Russian Propaganda Techniques

The Kyiv Post just published: "A knockout study by the Institute for the Study of War (“ISW”), just out March 27, is a must read for all the leadership of the West, and particularly, the ...

Your KnowBe4 Compliance Plus Fresh Content Updates from March 2024

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

Russian Federation-backed threat group APT29 Now Targeting German Political Parties

New analysis of APT29’s (aka Cozy Bear) activities and their association with Russia’s Foreign Intelligence Service (SVR) has revealed suspected attempts to collect political intelligence.