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

Sending passwords to other users or Apple devices
Saving credentials to another device with AirDrop
When iCloud is enabled, users can AirDrop a saved credential—including the websites it’s saved for, its user name, and its password—to another device. Sending credentials with AirDrop always operates in Contacts Only mode, regardless of the user’s settings. On the receiving device, after user consent, the credential are stored in the user’s Password AutoFill Keychain.
Filling in credentials in apps on Apple TV
Password AutoFill is available to fill credentials in apps on Apple TV. When the user focuses on a user name or password text field in tvOS, Apple TV begins advertising a request for Password AutoFill over Bluetooth Low Energy (BLE).
Any nearby iPhone, iPad, or iPod touch displays a prompt inviting the user to share a credential with Apple TV. Here’s how the encryption method is established:
If the device and Apple TV uses the same iCloud account, encryption between the devices happens automatically.
If the device is signed in to an iCloud account other than the one used by Apple TV, the user is prompted to establish an encrypted connection through use of a PIN code. To receive this prompt, iPhone must be unlocked and in close proximity to the Siri Remote paired to that Apple TV.
After the encrypted connection is made using BLE link encryption, the credential is sent to Apple TV and is automatically filled in to the relevant text fields on the app.