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

60% of Orgs Needed New Security Policies to Secure Their Remote Workforce

According to security compliance vendor ThreatSwitch in their 2021 Industrial Security Benchmark Report, organizations are waking up to the need for better awareness training.

80% of Ransomware Victim Organizations Experience a Second Attack

The impact of ransomware attacks is much more than just the sensationalized cost of ransoms. New data spells out how victim organizations have suffered at the hands of ransomware.

Leaked Copies of Windows 11 Could Be Tempting Phishbait for Techies

The latest anticipated release of Windows should be a reminder that even IT folks can be driven into a frenzy enough to miss the signs of a malicious campaign.

Why Phishing Attacks Are So Easy, Successful and Profitable – and What to do About It

With phishing attacks being thought to have started literally 25 years ago, what makes this age-old method so continually valuable as a tool for cybercriminals and scammers?

The Number of Phishing Sites in March Was Twice That of the Previous Year

With the number of phishing sites in Q1 overall up 47%, according to new data from Phishlabs, the bad guys are starting their year off letting you know… they mean business.

KnowBe4 Makes eSecurity Planet's Best Security Awareness Training for Employees 2021 List

Security awareness training has made leaps and bounds in the last couple of years. With the old-school approach, a few bagels and long, boring powerpoint presentations can only get you so ...

Credential Stuffing in the Travel and Retail Sectors

The travel and retail sectors are the top targets for credential stuffing attacks, according to Auth0’s State of Secure Identity report. Credential stuffing is a type of brute-force ...

[Heads Up] If You're an Amazon Prime Shopper, Heed This Prime Day Phishing Alert

Amazon Prime Day is approaching on June 21st with special promotions. This also mean cybercriminals are ready to strike with leveraging 'special deals' on the online days that they will ...

Bad Security Habits During the Pandemic

56% of IT workers believe employees have acquired poor security habits while working remotely, according to Tessian’s Back to Work Security Behaviors report.