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Case Studies

The global payment brand developing and leading the PCI DSS chose Vex to achieve consistent quality in web application security.

JCB Co., Ltd.

Payment service

The adopted service

Web application vulnerability scanner Vex

Introduction of company

JCB is the only international payment brand based in Japan and is responsible for operating and managing the PCI DSS, the global security standard in the credit card industry. The company chose Vex in 2014 to ensure consistent quality of security for the web applications it develops and reduce costs. Vex is currently being deployed to scan web applications from multiple projects, as well as the WebAPI infrastructure under development, with the goal of further increasing security levels.


System Planning Department
Senior Vice President

Ryosuke Kataoka


System Planning Department
Assistant Vice President

Michiharu Tanaka

* Department, title, etc. are those at the time of the interview.


  • Their business partners differ in each project and different approaches and methods were applied for vulnerability scanning, thus causing substantial duplication in costs incurred.
  •  There were no common security standards, and it was difficult to ensure consistent quality.


  • By applying the common methods and the tool, they are now able to cut the vulnerability scanning costs, including the license purchase cost which used to be incurred for each project, on the scale of tens of millions of yen.
  • The establishment of security standards has allowed them to provide vulnerability scanning with a certain level of quality for various projects and partners.

JCB Co., Ltd.

Payment service