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

[INFOGRAPHIC] Q4 2018 Top-Clicked Phishing Email Subjects from KnowBe4

KnowBe4 reports every quarter on the top-clicked phishing emails. Here we have the results for Q4 2018. We track three different categories: general email subjects, those related to ...

EY UK: "We've seen a huge proliferation of very successful phishing attacks"

Bethan Moorcraft at InsuranceBusiness Mag UK wrote an excellent article about the current state of cyber insurance in Europe. Here is an extract with the link to the full article at the ...

Firm in $1.7-million dispute with insurer because of social engineering fraud

Global law firm Dentons Canada LLP is locked in a $1.7-millon dispute with its insurer after staff at the firm’s Vancouver office fell victim to an alleged social engineering attack.

Cybercrime could cost companies trillions over the next five years

A new report (PDF) by Accenture indicates that over the next 5 years, cyberattacks could result in global costs totaling $5.2 trillion.

The internet's 'father' says it was born with two big flaws

BusinessInsider just posted an article that confirms something I have been saying for years. There is some contrary data though. We may be looking at a light version of rewriting history. ...

"Ransomware Humor" Two Words You Thought You Would Never See Together

Someone's got a warped sense of humor. See the spoofed ransomware email below:

[VIDEO] KnowBe4 Quarterly Platform Update

Every quarter, the KnowBe4 Technical Content team creates an update of all the new content and features that have been added the last three months. Here is the Jan 2019 issue, which ...

Proposed N.C. Bill Would Require Ransomware Disclosures

North Carolina Attorney General Josh Stein released a report on Thursday that highlights the impact of data breaches on the state in 2018, and paired the report with a bipartisan bill to ...

Ransomware Attack Makes Government Offices in Del Rio, Texas Resort to Pen and Paper

This latest ransomware attack demonstrates how an entire network can be taken down, bringing operations to a screeching halt.

BenefitMall Hit by Months-Long Data Breach

The Dallas-based payroll firm BenefitMall announced on January 4 that nearly 112,000 customers may have had their personal information exposed during a four-month long data breach. The ...