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

Two-Thirds of Security Budgets Expected to Increase as Risk of Cyberattack Shifts to the Cloud

Organizations are feeling the impact of attacks and are taking tangible steps to lock in budget specifically to address security concerns with Cloud Security seeing the largest increase.

Social Media and Their Exploitation in Social Engineering

Phishing is most commonly associated with email, but social media are quickly becoming a major hunting grounds for scammers, according to Elliot Volkman from PhishLabs. Social media ...

U.K. Charity Workers Most At Risk From Phishing

Tessian report finds a large amount of U.K. charity workers aren't getting proper security awareness training. Michael Moore at ITProPortal wrote: "UK charities are leaving themselves ...

KnowBe4 Fresh Content and Feature Update - August 2019

Check out the content and feature updates in the KnowBe4 platform for the month of August!

Thousands Of Servers Infected With New Lilocked (Lilu) Ransomware

Thousands of web servers have been infected and had their files encrypted by a new strain of ransomware named Lilocked (or Lilu).

Advanced Android SMS Phishing

Attackers can launch SMS phishing attacks to remotely change settings on a victim’s Android device, researchers at Check Point have found. These attacks take advantage of weak ...

Why Do People Keep Falling For Facebook Hoaxes?

Falling for social media hoaxes indicates a deeper underlying need for online awareness, according to Ben Yelin from the University of Maryland Center for Health and Homeland Security.

Connecting Security Awareness Training Data to your Security Operations

Highlighting the value of connecting user security awareness trainings to the critical resources those users can access

Email Account Takeover and Lateral Phishing Attacks Increase Risk to Enterprises

The latest method of attack uses sender familiarity to lower victim defenses and increase the potential for scams, attacks, or fraud to succeed.

New Ursnif Malware Attacks Use Phishing, Social Engineering and Microsoft Word

The decade-old malware traditionally used to capture banking details has been given new life and spotted in the wild, being distributed via malicious Word documents.