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

KnowBe4 June 2022 Perspective

Information Security is mission-critical today. The global risk situation is higher than ever. Your employees are still your largest attack vector. New-school security awareness training ...

Smishing Text Scams Have Doubled in the Last Three Years

New data shows a rise in the use of text messages as an effective vehicle to connect with potential victims for social engineering scams as Americans increase their preference of the ...

PDF Phishing Attacks: Sneaky New Office Document Obfuscation

Security researchers have discovered a cunning PDF-based phishing attack that leverages social engineering and PDF prompt specifics to trick users into opening malicious Office docs.

Over 2000 Social Engineering Scammers Arrested in Multi-Country Crackdown on Fraud, BEC, and Money Laundering

Thousands of members of cybercriminal groups were arrested in a sting that lasted 2 months and involved coordinated efforts of the law enforcement departments of 76 countries.

Vishing Attacks Increase 550% Over Last Year as the Financial Sector Continues to be a Primary Target

Cybercriminals are continuing to bypass the use of malware in favor of response-based and credential-centric social engineering attacks, according to new data from Agari and PhishLabs.

142 Million Customer Records From MGM Resorts Leaked for Free Download

The availability of such a massive number of records at no cost to any cybercriminal interested is a recipe for countless phishing campaigns using the data itself as a means of ...

New Phishing Campaign Uses ChatBot Functionality to Build Trust and Steal Credit Card Details

Rather than go for the phishing jugular and point the victim immediately to a webpage to steal credentials or personal details, a new phishing campaign uses a chatbot to lower victim ...

The Next Evolution in Cyberattacks You Need to Worry About: AI

New testimony to U.S. Senate Armed Services Committee Subcommittee on Cybersecurity by Microsoft’s Chief Scientific Officer sheds light on AI-powered cyberattacks.

Less Than 40% of Asia-Pacific Organizations Are Confident to Stop Cyber Threats as 83% Experience At Least One Ransomware Attack a Year

With exactly half of cybersecurity incidents caused by organizations having an outdated security posture, the ability to stop breaches involves some re-investment in measures that really ...

Anna Collard, SVP Content Strategy & Evangelist, KnowBe4 Africa Has Been Acknowledged as a Global Influencer in Cyber

IFSEC Global recently acknowledged our very own Anna Collard as a IFSEC Global Influencer in Security for 2022! She was one of the few nominated by a panel of highly respected judges, and ...