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

Phishing: Low- Middle- and High-Level

Phishing attacks have varying levels of technical sophistication, according to Mark Nicholls from Redscan. In an article published by ITProPortal, Nicholls explains that the lowest level ...

New James Bond Movie is Cybercriminals Shiniest Phishbait

Cybercriminals are using the new James Bond movie, No Time to Die, as phishbait, the National reports. Researchers at Kaspersky warn that malicious ads and phishing sites are claiming, ...

Hackers rob thousands of Coinbase customers using phishing attacks and an MFA flaw

Bleepingcomputer was first to report: "Crypto exchange Coinbase disclosed that a threat actor stole cryptocurrency from 6,000 customers after using a vulnerability to bypass the company's ...

Phishing Attacks Maintain “New Normal” Elevated Levels into the Middle of 2021

New data from the Anti-Phishing Working Group (AWPG) shows the Q2 of 2021 showed similar phishing activity to that of Q1, indicating no slowdown in attacks.

90% of All Cyber Attacks on Organizations Involve Social Engineering

It’s official: threat actors and cybercriminal gangs alike are enlightened and have locked in on the use of social engineering as the primary means to trick recipients into becoming ...

Phishing Campaign Impersonates Zix Messages

Researchers at Armorblox have spotted a credential phishing campaign that’s impersonating encrypted communications from Zix. The emails contain a link to download an HTML attachment.

Europol: Italian Mafia Tied to Cybercriminals Responsible for €10 Million in Cyberattacks

The recent dismantling of a cybercriminal gang has uncovered ties to the Italian Mafia, demonstrating that even traditional organized crime is moving to cyber.

5th Circuit Court Finds Cyber Insurer Must Pay for $1 Million Social Engineering Attack

A simple social engineered Business Email Compromise attack resulted in fraud that the cyber insurer contended was not covered under the policy.

Phishing Kits and Phishing-as-a-Service Responsible for Over 300,000 URLs Used in Phishing Attacks

Lowering the barrier to market even more, this new Phishing as a Service (PhaaS) spotted by Microsoft puts quality phishing templates and sites into the hands of any would-be cyber ...