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

Wi-Fi password sharing
iOS and iPadOS devices that support Wi-Fi password sharing use a mechanism similar to AirDrop to send a Wi-Fi password from one device to another.
When a user selects a Wi-Fi network (requestor) and is prompted for the Wi-Fi password, the Apple device starts a Bluetooth Low Energy (BLE) advertisement indicating that it wants the Wi-Fi password. Other Apple devices that are awake, in close proximity, and have the password for the selected Wi-Fi network connect using BLE to the requesting device.
The device that has the Wi-Fi password (grantor) requires the Contact information of the requestor, and the requestor must prove their identity using a similar mechanism to AirDrop. After identity is proven, the grantor sends the requestor the passcode which can be used to join the network.
Organizations can restrict the use of Wi-Fi password sharing for devices or apps being managed through a mobile device management (MDM) solution.