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

91% of Every Ransomware Attack Today Includes Exfiltrating Your Data

New insight into ransomware attacks show that cyber attacks are a top concern for organizations – with many not aware they were a victim until after the attack.

Your KnowBe4 Fresh Content Updates from May 2024

Check out the 60 new pieces of training content added in May, alongside the always fresh content update highlights, events and new features.

Cybercriminals Target Hajj Pilgrims

Criminals are launching a variety of scams targeting Muslims around the world who are planning on making the Hajj pilgrimage to Mecca, according to researchers at Resecurity.

Criminals Abuse Cloud Storage Platforms to Host Phishing Sites

Threat actors are abusing cloud storage platforms to host phishing sites that can more easily evade detection by security scanners, according to researchers at Enea. Criminals are ...

Threat Actor Void Manticore Uses Cyber Weapon “Wipers” to Destroy Data and Systems

This Pro-Hamas hacktivist group has updated their payload arsenal to include updated versions of their BiBi Wiper malware, and two new wiper variants.

China Threat Actor Targeting African and Caribbean Entities With Spear Phishing Attacks

The China-aligned threat actor “Sharp Dragon” is launching spear phishing attacks against government entities in African and Caribbean countries, according to researchers at Check Point.

[FedRAMP Phishing Rule]: "Users are the last line of defense and should be tested."

If you want to sell cloud-based software to the U.S. Government, you need to be FedRAMP authorized. This is what they state in their Program Overview:

CISA Releases Cybersecurity Resources for High-Risk Communities

Working to ensure all communities within the United States are educated and prepared, the Cybersecurity and Infrastructure Security Agency (CISA) has released a set of tools, services and ...

As Many as 1 in 7 Emails Make it Past Your Email Filters

Fluctuations in consecutive quarterly reports demonstrates that organizations should be worried that their cyber defenses may not be strong enough to stop phishing attacks.

Secure Your Site: Learn from the Top 10 Cybersecurity Experts of 2024

Companies have needed a website for the last 25 years at least. But where do you host your site? The techies at HostingAdvice decided to create an extremely thorough real-world review ...