Retail

An attacker does not need to exploit a payment terminal if a help desk can be persuaded to reset an administrator's credentials. Establish verification procedures for password resets, device enrollment, and changes to multifactor authentication. Apply the same discipline to contractors, franchise support, and temporary staff.

Psycher can support investigation of suspicious requests, but employees need a documented way to pause and escalate them. Use known contact channels and avoid accepting urgency or apparent seniority as proof of identity. Consequential account changes should remain subject to authorized human approval.

• Separate store operations accounts from privileged administration.
• Revoke seasonal access promptly and review exceptions after peak periods.

Map point-of-sale systems, payment processors, store networks, loyalty platforms, and e-commerce integrations. Restrict communications between these environments and remove unnecessary vendor access. Confirm which party manages terminal configuration, software updates, logs, and incident escalation.

Loyalty records and purchase histories deserve protection even when they contain no payment-card details. Use Cerberus within approved data-handling workflows and Librarian to organize system ownership. Judge can help collect evidence relevant to applicable controls, but neither tooling nor monitoring alone establishes payment compliance or eliminates privacy obligations.

• Review customer-data exports and marketing-platform integrations.
• Maintain a current inventory of terminals, store gateways, and payment service providers.

Exercise disruptions to checkout, inventory, fulfillment, returns, and customer support. Determine which operations may continue safely and which require a controlled pause. Ensure store managers can reach incident leadership without relying on the same systems that may be unavailable.

Dewey can support response coordination, and Growler can help preserve evidence from stores and central services. Human owners must approve payment-workflow changes, containment, customer notices, and public statements. After each exercise, reconcile operational expectations with actual recovery tests so continuity plans reflect what stores can deliver.

• Test recovery before major trading periods.
• Agree incident responsibilities with processors, landlords, franchisees, and managed-service providers.