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

Russia Weaponizes Israel-Hamas Conflict in Targeted Phishing Attack

Researchers at IBM X-Force are tracking a phishing campaign that’s using themes related to the Israel-Hamas war to deliver Headlace, a backdoor exclusively used by the suspected Russian ...

Who's Calling? Spam, Scams and Wasted Time

First ever insight into those annoying spam calls provides enlightening detail into how many calls are there, where are they coming from, and how much time is wasted dealing with them.

Unwrapping the Threat: AI-Powered Phishing Attacks Take Center Stage in 2023 Holidays

As the holiday season approaches, so does the annual surge in online shopping and holiday package tracking. Unfortunately, this joyous time has also become a prime hunting ground for ...

Russian Hackers Indicted for Phishing Attacks Against U.S. and Allies

The US Justice Department has indicted two individuals for launching spear phishing attacks against the US, the UK, Ukraine and various NATO member countries on behalf of the Russian ...

Deepfakes: The New Face of Fraud

Security analysts at identity vendor Sumsub are seeing a massive rise in the use of deepfake fraud in their Identity Fraud Report 2023. And one country may be to blame.

WSJ: "A Hidden Risk in the Municipal Bond Market: Hackers"

December 7, 2023 - The Wall Street Journal has an interesting perspective on K-12 Public schools suffering ransomware attacks. The number doubles between 2021 and 2022 to almost 2,000 a ...

2024 IT Spending Surge: Surprising Insights from Piper Sandler's CIO Survey

Industry analysts Piper Sandler do a yearly 'Industry Note' where they survey CIOs about their next year budget expectations. For 2024 there is a noticeable improvement regarding ...

Maximizing Your Purchasing Power: A Source For Validated  KnowBe4 Reviews

One of the key strategies to maximize your purchasing power is to research products and compare total cost of ownership. Take the time to do research and gather data about the platforms ...

Nearly Every CIO Identifies at Least One Cyber Threat as a Risk to their Business

When 97% of CIOs all see things the same way, it’s probably a sign to take the risk of cyber threats seriously – a problem new data shows is only going to get worse in the next five years.