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Articles by Intel-based Mac computers
The Secure Enclave
The Secure Enclave is a dedicated secure subsystem in the latest versions of iPad, iPhone, Mac, Apple TV, Apple Vision Pro, Apple Watch, and HomePod. Overview The Secure Enclave is a dedicated secure subsystem integrated into Apple (SoC). The Secure Enclave is isolated from the main processor to provide an extra layer of security and is designed to keep sensitive user data secure even when the Application Processor kernel becomes compromised.
Escrow security for iCloud Keychain
iCloud provides a secure infrastructure for keychain escrow to help ensure that only authorized users and devices can perform a recovery. Topographically positioned behind iCloud are clusters of hardware security modules (HSMs) that guard the escrow records. As described previously, each has a key that’s used to encrypt the escrow records under their watch.
Mac on-screen camera indicator light
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How iMessage sends and receives messages securely
Users start a new iMessage conversation by entering an address or name. If they enter a phone number or email address, the device contacts the Apple Identity Service (IDS) to retrieve the public keys and APNs addresses for all of the devices associated with the addressee. If the user enters a name, the device first uses the user’s Contacts app to gather the phone numbers and email addresses associated with that name and then gets the public keys and APNs addresses from IDS.
Apple Platform Security
Hardware security Secure software requires a foundation of security built into hardware. That’s why Apple devices—with iOS, iPadOS, macOS, tvOS, watchOS, or visionOS—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.
Apple Security Research Device
The Apple Security Research Device is a specially fused iPhone that allows security researchers to perform research on iOS without having to defeat or disable the platform security features of iPhone. With this device, a researcher can side-load content that runs with platform-equivalent permissions and thus perform research on a platform that more closely models that of production devices.
Advanced Data Protection for iCloud
Advanced Data Protection for iCloud is an optional setting that offers Apple’s highest level of cloud data security. When a user turns on Advanced Data Protection, their trusted devices retain sole access to the encryption keys for the majority of their iCloud data, thereby protecting it with end-to-end encryption.
Protecting against malware in macOS
Apple operates a threat intelligence process to quickly identify and block malware. Three layers of defense Malware defenses are structured in three layers: 1. Prevent launch or execution of malware: App Store, or Gatekeeper combined with Notarization 2. Block malware from running on customer systems: Gatekeeper, Notarization, and XProtect 3.
Protecting access to user’s health data
HealthKit provides a central repository for health and fitness data on iPhone and Apple Watch. HealthKit also works directly with health and fitness devices, such as compatible Bluetooth Low Energy (BLE) heart rate monitors and the motion coprocessor built into many iOS devices. All HealthKit interaction with health and fitness apps, healthcare institutions, and health and fitness devices require the permission of the user. This data is stored in the Data Protection class Protected Unless Open.
Express Cards with power reserve
If iOS isn’t running because iPhone needs to be charged, there may still be enough power in the battery to support Express Card transactions.
DriverKit security for macOS
DriverKit is the framework that allows developers to create device drivers that the user installs on their Mac. Drivers built with DriverKit run in user space, rather than as kernel extensions, for improved system security and stability. This makes for easier installation and increases the stability and security of macOS. The user simply downloads the app (installers aren’t necessary when using system extensions or DriverKit) and the extension is enabled only when required.
Encryption and Data Protection overview
The secure boot chain, system security, and app security capabilities all help to verify that only trusted code and apps run on a device. Apple devices have additional encryption features to safeguard user data, even when other parts of the security infrastructure have been compromised (for example, if a device is lost or is running untrusted code).
Apple Platform Security
Hardware security Secure software requires a foundation of security built into hardware. That’s why Apple devices—running iOS, iPadOS, macOS, tvOS, 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.
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