Security
Apple Platform Security
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Welcome
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Introduction
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Services security overview
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Apple Pay overview
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Apple Pay components
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Secure Element and NFC controller
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Payment authorization
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Transaction-specific dynamic security code
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Pay with credit and debit cards in stores
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Pay with credit and debit cards within apps
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Paying with credit and debit cards on the web
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Contactless passes
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Render cards unusable
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Suspending, removing, and erasing cards
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Apple Cash
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Transit cards
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Credit and debit cards for transit
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Student ID cards
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Business Chat
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FaceTime
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Developer Kits overview
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HomeKit identity
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Communication with HomeKit accessories
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Local data storage
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Data synchronization between devices and users
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Home data and apps
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HomeKit and Siri
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HomeKit IP cameras
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HomeKit routers
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iCloud remote access for HomeKit accessories
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HomeKit TV Remote accessories
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Apple TV profiles for HomeKit homes
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CloudKit
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SiriKit
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DriverKit
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Camera and ARKit
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Secure device management overview
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Pairing model
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Passcode and password settings management
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Configuration enforcement
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Mobile device management (MDM)
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Automated Device Enrollment
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Apple Configurator 2
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Device supervision
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Device restrictions
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Activation Lock
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Lost Mode, remote wipe, and remote lock
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Screen Time
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Glossary
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Document Revision History
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Copyright

Additional verification with Apple Pay
A card issuer can decide whether a credit or debit card requires additional verification. Depending on what is offered by the card issuer, the user may be able to choose between different options for additional verification, such as a text message, email, customer service call, or a method in an approved third-party app to complete the verification. For text messages or email, the user selects from contact information the issuer has on file. A code is sent, which must be entered into the Wallet app, Settings, or the Apple Watch app. For customer service or verification using an app, the issuer performs their own communication process.
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