Critical Systems definition
Examples of Critical Systems in a sentence
All users of your systems must be required to authenticate themselves to your Critical Systems, and those Systems must limit the access and powers of their users.
You must ensure that all persons who have access to your Critical Systems, or who design, develop, operate, maintain, change, test and audit your Critical Systems comply with this Agreement and PCI DSS.
You must design and develop your Critical Systems and all payment-related processes so that they are secure from intrusion and interference by unauthorised persons.
Use trusted and independent experts to audit your Critical Systems, and if you use your employees as auditors, ensure their independence by protecting their employment from retaliation and by isolating them from the work of administering, operating, changing and testing your Critical Systems.
You must audit the operations and security of your Critical Systems at least once a year.
You must employ a firewall to block untrusted users from the using internal-only functions of your Critical Systems.
Your web servers and other external-facing portions of your Critical Systems must use well developed and thoroughly tested technology, and make available externally only those functions which are necessary for Shared Customers and other external users to use.
You must also limit access to your Critical Systems and the resources on which they depend such as networks, firewalls, and databases.
Except in emergencies, avoid changing Critical Systems without first planning, testing, and documenting the change, unless the change is routine (e.
Your Critical Systems must restrict access to Card Data and all other personal or important data to only trusted persons within your organisation, and no such person should have greater access to such data than is necessary for that person to perform his or her role.