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Continuing activities for information security improvements

ISO27001 registration

We regularly monitor all employees utilizing information security operation management tools, aiming to further improve overall information security levels.
The Trunk Room Office (Tokyo Branch) and the Dia Systems Corporation (subsidiary company in charge of development and operations of information systems) have both obtained ISO27001 certification, the international standards certification for information security management systems. We will continue to both maintain and enhance the quality of information security system implementations, development and operations to provide the best possible service to our customers.

Monitoring targets

  1. 1Implementation of appropriate and effective information security measures.
  2. 2Maintain a firmly established PDCA (plan, do, check, action) cycle for efficient information security management and operations.
  3. 3Security measure effectiveness assessment, problem area visualization, etc.

PDCA (plan, do, check, action) cycle

  1. 1Information Systems Division will develop operational solutions and check items.
  2. 2Provide list of check items in questionnaire format to all ML-net users and collect responses.
  3. 3Analyze responses from many perspectives; filter out areas and issues that call for improvements.
  4. 4Information Systems Division will propose improvement measures and administer implementation.

Information security management diagram