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

U.S. Coast Guard Warns of Phishing Attacks Designed for Data Theft and Malware Infection

A new Marine Safety Information Bulletin from the U.S. Coast Guard demonstrates that cybercriminals aren’t just after land-based businesses.

U.K. Sees an Increase in Sophisticated Phishing Attacks Targeting Educational Institutions

Using a mix of identity deception, domain spoofing, credential theft, and bank fraud, scammers are taking advantage of soft targets in the U.K.’s education sector.

Deep Fakes Getting Better Every Day With AI / Machine Learning

A recent article in The Next Web showed how AI can magically remove a person or object from a video background as computer algorithms “clips” the person walking across a street out of the ...

NSO spyware ‘targets Big Tech cloud services’

The Israeli company whose spyware hacked WhatsApp has told buyers its technology can surreptitiously scrape all of an individual’s data from the servers of Apple, Google, Facebook, Amazon ...

Lateral Phishing Used To Attack Organizations On Global Scale

Warwick Ashford at ComputerWeekly reported: "Lateral phishing is a growing type of account takeover that has enabled attackers to target more than 100,000 people by hijacking just 154 ...

Whoa Nellie. BEC Scams Average USD 300 Million Per Month In Illegal Transfers

New data compiled by the Financial Crimes Enforcement Network (FinCEN) shows that illegal transactions linked to business email compromise (BEC)—aka CEO Fraud— scams averaged $300 million ...

CBInsights Welcomes KnowBe4 To The Cybersecurity Unicorn Club

CBInsights wrote: "Cybersecurity unicorns (*) are being minted at a faster rate than ever before, and $1B+ valuations are coming through even larger funding rounds. Private companies are ...

Microsoft Notifies 10,000 Customers About Nation-state Cyber Attacks

In an article about cyber security related to voting machines, an interesting snippet of information surfaced: “Microsoft said it has notified almost 10,000 customers in the past year ...

SANS Security Awareness Report Highlights the Rising Era of Awareness Training

SANS Security Awareness, a division of SANS Institute, announced they have released their new 2019 Security Awareness Report. In its fifth consecutive year, this very useful annual report ...

[INFOGRAPHIC] Employees receive nearly five phishing emails per work week, according to Avanan

One in every 99 work emails is a phishing attack, according to a recent Avanan report. With employees accustomed to a busy inbox, it's easy to fall victim to a phishing attack disguising ...