An employee may need to update a job without changing payroll. A warehouse team member may need to fulfill an order without managing user accounts. Designing those boundaries makes business software easier to use and limits unnecessary access.
Define access around responsibilities
NIST describes least privilege as limiting access to what is needed to carry out assigned tasks. Apply that principle by listing the actions each role needs, rather than giving everyone administrator access. See NIST's least-privilege definition.
For an operations application, separate viewing, editing, approving, exporting, and administering. Someone who reviews timesheets does not automatically need to change security settings. A technician who views an assigned job may not need access to every customer's records.
Protect sign-in as well as permissions
Use individual accounts so access can be removed without disrupting colleagues. CISA recommends multifactor authentication and encourages businesses to use phishing-resistant methods. Review supported options for each important service, beginning with email and administrative access. See CISA's guidance on multifactor authentication.
Plan account recovery at the same time. Document who can approve a recovery request, how identity will be checked, and where authorized emergency access is held. Do not leave the entire business dependent on one person's phone.
Check what the application actually allows
Hiding a button is not sufficient access control. The application must also enforce permissions when it receives a request. Test representative accounts: can a user open someone else's record, export restricted information, or perform an approval outside their role?
Review access when work changes
Make access review part of hiring, role changes, and departures. Include shared services and integrations, not just the main application. Record who owns each account or connection and remove access that no longer has a business purpose.
Start with a short role-and-action table, review it with the people doing the work, and test it before rollout. Clear access rules should support the job while keeping unrelated information and administrative functions out of reach.