Offer a managed mobile authentication testing operation that exercises complete account-access journeys on a maintained inventory of Apple devices, operating-system versions, network conditions, and account states. Testers reproduce registration, login, multifactor authentication, biometric enrollment, password recovery, logout, device replacement, account linking, and accessibility scenarios, then deliver reproducible evidence and prioritized remediation guidance. Begin as a human-led service and productize repeatable test scripts, device scheduling, evidence capture, and regression reporting over time.

Authentication journeys now combine biometrics, passkeys, verification codes, embedded browser sessions, device trust, and fraud controls, increasing the number of failure points. The evidence continues through 2026 and shows that established providers still miss failures that persist across releases and device generations.