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

Apple ID and Managed Apple ID overview
An Apple ID is the account that is used to sign in to Apple services such as iCloud, iMessage, FaceTime, the iTunes Store, App Store, Apple TV app, Book Store, and more. It’s important for users to keep their Apple IDs secure to prevent unauthorized access to their accounts. To help with this, Apple IDs require strong passwords that:
Must be at least eight characters in length
Must contain both letters and numbers
Must not contain more than three consecutive identical characters
Can’t be a commonly used password
Users are encouraged to exceed these guidelines by adding extra characters and punctuation marks to make their passwords even stronger.
Apple also notifies users in email and/or push notifications when important changes are made to their account—for example, if a password or billing information has been changed, or the Apple ID has been used to sign in on a new device. If anything looks unfamiliar, users are instructed to change their Apple ID password immediately.
In addition, Apple employs a variety of policies and procedures designed to protect user accounts. These include limiting the number of retries for sign-in and password reset attempts, active fraud monitoring to help identify attacks as they occur, and regular policy reviews that allow Apple to adapt to any new information that could affect user security.
Note: The Managed Apple ID password policy is set by an administrator in Apple School Manager or Apple Business Manager.