Apple Platform Security
- Welcome
- Intro to Apple platform security
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- System security overview
- Signed system volume security
- Secure software updates
- Operating system integrity
- Activating data connections securely
- Verifying accessories
- BlastDoor for Messages and IDS
- Lockdown Mode security
- System security for watchOS
- Random number generation
- Apple Security Research Device
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- Services security overview
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- Apple Pay security overview
- Apple Pay component security
- How Apple Pay keeps users’ purchases protected
- 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
- Secure Apple Messages for Business
- FaceTime security
- Glossary
- Document revision history
- Copyright
Intro to app security for iOS and iPadOS
Unlike other mobile platforms, iOS and iPadOS don’t allow users to install potentially malicious unsigned apps from websites or to run untrusted apps. Instead, (outside the EU) all apps must be downloaded from the App Store, where all apps come from identified developers and must pass automated and human review. At runtime, code signature checks of all executable memory pages are made as pages are loaded to help ensure that an app hasn’t been modified since it was installed or last updated.
After an app is verified to be from an approved source, iOS and iPadOS enforce security measures designed to prevent it from compromising other apps or the rest of the system.
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