Apple Platform Security - Apple Support Apple Store Mac iPad iPhone Watch Vision AirPods TV & Home Entertainment Accessories Support 0+ Apple Platform Security Open Menu Close Menu Communities Search this guide Clear Search Apple Platform Security March 2026 Table of Contents Hardware security Secure software requires a foundation of security built into hardware. That’s why Apple devices—with iOS, iPadOS, macOS, tvOS, visionOS, or watchOS—have security capabilities designed into silicon. Learn more about Apple hardware security System security Building on the unique capabilities of Apple hardware, system security is designed to maximize the security of the operating systems on Apple devices without compromising usability. System security encompasses the startup process, software updates, and the ongoing operation of the operating system. Learn how Apple protects users with system security Encryption and Data Protection Apple devices have encryption features to safeguard user data and enable remote wipe in the case of device theft or loss. Learn more about Apple device and software encryption and Data Protection App security Apple provides layers of protection designed to ensure that apps are free of known malware and haven’t been tampered with. Other protections help ensure that access from apps to user data is carefully mediated. Learn how Apple protects users with many layers of app security Services security Apple has built a robust set of services to help users get even more utility and productivity out of their devices. These services include Apple Account, iCloud, Sign in with Apple, Apple Pay, iMessage, FaceTime, Home, and Find My. Learn how Apple makes its services secure To explore Apple Platform Security, select Table of Contents at the top of the page, or enter a word or phrase in the search field. You can also download the guide (where available).Not all features and content are available in all countries or regions. Download this guide as a PDF Apple Platform Security Welcome Intro to Apple platform security Hardware security and biometrics Hardware security overview Apple SoC security The Secure Enclave Optic ID, Face ID, and Touch ID Biometric security Magic Keyboard with Touch ID Optic ID, Face ID, Touch ID, passcodes, and passwords Optic ID matching security Facial matching security Uses for Optic ID, Face ID, and Touch ID Secure intent and connections to the Secure Enclave Hardware microphone disconnect Mac on-screen camera indicator light Express Cards with power reserve System security System security overview Secure boot Boot process for iPad and iPhone devices Memory safe iBoot implementation Mac computers with Apple silicon Boot process Boot modes Paired recoveryOS restrictions Startup Disk security policy control LocalPolicy signing-key creation and management Contents of a LocalPolicy file for a Mac with Apple silicon Intel-based Mac computers Boot process Boot modes Startup Security Utility Firmware password protection recoveryOS and diagnostics environments Signed system volume security Secure software updates Background Security Improvements Operating system integrity Device pairing and connection security Physical pairing model security Activating data connections securely Verifying accessories Automatically unlock Apple devices BlastDoor for Messages and IDS Lockdown Mode security Overview of additional macOS system security capabilities Additional macOS system security capabilities System Integrity Protection Trust caches Peripheral processor security Rosetta 2 on a Mac with Apple silicon Direct memory access protections Securely extending the kernel Option ROM security UEFI firmware security in an Intel-based Mac System security for watchOS Random number generation Communicating emergency information using satellites Apple Security Research Device Encryption and Data Protection Encryption and Data Protection overview Quantum-secure cryptography with Apple devices Passcodes and passwords Data Protection Data Protection overview Data Protection Data Protection classes Keybags for Data Protection Protecting keys in alternate boot modes Protecting user data in the face of attack Sealed Key Protection (SKP) Role of Apple File System Keychain data protection FileVault Volume encryption with FileVault Managing FileVault How Apple protects users’ personal data Protecting app access to user data Protecting access to user’s health data Digital signing and encryption App security App security overview App code signing process App security in iOS, iPadOS, and visionOS Intro to app security for iOS, iPadOS, and visionOS About App Store security Security of runtime process App protection and app groups App security in macOS Intro to app security for macOS App code signing process Gatekeeper and runtime protection Protecting against malware Controlling app access to files Supporting extensions Secure features in the Notes app Secure features in the Shortcuts app Services security Services security overview Apple Account and Managed Apple Account Apple Account security Managed Apple Account security iCloud iCloud security overview iCloud encryption Advanced Data Protection for iCloud iCloud Backup security iCloud Private Relay security Account recovery contact security Legacy Contact security Passcode and password management Passcode security overview Sign in with Apple security Automatic strong passwords Password AutoFill security App access to saved passwords Password security recommendations Password Monitoring Sending passwords Credential provider extensions iCloud Keychain iCloud Keychain security overview Secure keychain syncing Secure iCloud Keychain recovery Escrow security for iCloud Keychain Apple Pay Apple Pay security overview Apple Pay component security How Apple Pay keeps users’ purchases protected Credit, debit, and prepaid cards Card provisioning security overview Adding credit or debit cards to Apple Pay Payment authorization with Apple Pay Paying with cards using Apple Pay Contactless passes in Apple Pay Rendering cards unusable with Apple Pay Apple Card security Apple Cash security Tap to Pay on iPhone Using Apple Wallet Access using Apple Wallet Access key types Car key security Car key security Car key transactions Adding transit and eMoney cards to Apple Wallet IDs in Apple Wallet IDs in Apple Wallet Security of IDs in Apple Wallet iMessage iMessage security overview How iMessage sends and receives messages Check In security Secure iMessage name and photo sharing Secure Apple Messages for Business FaceTime security Find My Find My security Locating missing devices Continuity Continuity security overview Handoff security iPhone cellular call relay security iPhone Text Message Forwarding security Instant Hotspot security Network security Network security overview TLS security IPv6 security VPN security Wi-Fi security and privacy Security features when connecting to wireless networks Wi-Fi security with Apple devices Privacy features when connecting to wireless networks Wi-Fi privacy with Apple devices Bluetooth security Ultra Wideband security in iOS Single Sign-on security AirDrop security Wi-Fi password sharing security Firewall security in macOS Developer kit security Developer kit security overview ARKit security DriverKit security EnergyKit data security HomeKit security Communication security Data security Securing routers with HomeKit Camera security Security with Apple TV NFC & SE Platform security ReplayKit security SiriKit security WidgetKit security Secure device management Secure device management overview Device management Device management security overview Managed Device Attestation Attestation process security Configuration enforcement Automated Device Enrollment Activation Lock security Managed Lost Mode and remote wipe Shared iPad security Apple Configurator security Screen Time security Glossary Document revision history Copyright and trademarks Next 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