List the roles
Identify customers, staff, managers and administrators separately. For each role, specify which records they may see, create or change. Avoid giving everyone administrator access simply because the first version has a small number of users.
Protect boundaries on the server
Hiding a button does not by itself prevent an unauthorised action. Access checks must apply where data is read or changed. Include tests for a user attempting to view another customer’s information and for someone whose role has been removed.
Plan account changes
Describe how people are invited, how access ends and who approves elevated permissions. Keep recovery and support procedures clear. Sensitive actions may need additional safeguards depending on the information and business risk involved.
Review the audit trail
Record meaningful actions where appropriate without logging passwords or unnecessary sensitive details. Decide who can review those records and how long they are needed. A useful audit trail supports investigation while respecting the people whose information the system holds.
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