Apple Platform Security
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Welcome
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Intro to Apple platform security
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System security overview
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Secure software updates
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Operating system integrity
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Additional macOS system security capabilities
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Signed system volume security
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System Integrity Protection
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Trust caches
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Peripheral processor security
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Rosetta 2 on a Mac with Apple silicon
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Direct memory access protections
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Kernel extensions
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Option ROM security
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UEFI firmware security in an Intel-based Mac
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System security for watchOS
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Random number generation
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Apple Security Research Device
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Encryption and Data Protection overview
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Passcodes and passwords
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Data Protection overview
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Data Protection
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Data Protection classes
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Keybags for Data Protection
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Protecting keys in alternate boot modes
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Protecting user data in the face of attack
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Sealed Key Protection (SKP)
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Activating data connections securely in iOS and iPadOS
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Role of Apple File System
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Keychain data protection
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Digital signing and encryption
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Services security overview
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Apple Pay security overview
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Apple Pay component security
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Secure Element and NFC controller
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Payment authorization with Apple Pay
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Paying with cards using Apple Pay
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Contactless passes in Apple Pay
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Rendering cards unusable with Apple Pay
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Apple Cash security
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Apple Card security
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Adding transit and student ID cards to Wallet
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Business Chat security
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FaceTime security
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Apple car keys security
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Glossary
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Document revision history
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Copyright

Services security overview
Apple has built a robust set of services to help users get even more utility and productivity out of their devices. These services provide powerful capabilities for cloud storage, sync, password storage, authentication, payment, messaging, communications, and more, all while protecting users’ privacy and the security of their data.
These services include iCloud, Sign in with Apple, Apple Pay, iMessage, Business Chat, FaceTime, Find My, and Continuity and may require an Apple ID or Managed Apple ID. In some cases, a Managed Apple ID can’t be used with a specific service, like Apple Pay.
Note: Not all Apple services and content are available in all countries or regions.
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