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Document revision history
May 2024
Topics added:
Topics updated:
December 2022
Topics added:
Topics updated:
May 2022
Updated for:
iOS 15.4
iPadOS 15.4
macOS 12.3
tvOS 15.4
watchOS 8.5
Topics added:
Topics updated:
Topics removed:
HomeKit accessories and iCloud
May 2021
Updated for:
iOS 14.5
iPadOS 14.5
macOS 11.3
tvOS 14.5
watchOS 7.4
Topics added:
Topics updated:
Added two new Express Mode transactions in Express Cards with power reserve.
Edited Secure Enclave feature summary.
Software update content added to Secure Multi-Boot (smb3).
Additional content for Sealed Key Protection (SKP).
February 2021
Updated for:
iOS 14.3
iPadOS 14.3
macOS 11.1
tvOS 14.3
watchOS 7.2
Topics added:
Topics updated:
April 2020
Updated for:
iOS 13.4
iPadOS 13.4
macOS 10.15.4
tvOS 13.4
watchOS 6.2
Updates:
iPad microphone disconnect added to Hardware microphone disconnect.
Data vaults added to Protecting app access to user data.
Updates to Managing FileVault in macOS and Command-line tools.
Malware Removal Tool additions in Protecting against malware in macOS.
Updates to Shared iPad security in iPadOS.
December 2019
Merged the iOS Security Guide, macOS Security Overview and the Apple T2 Security Chip Overview
Updated for:
iOS 13.3
iPadOS 13.3
macOS 10.15.2
tvOS 13.3
watchOS 6.1.1
Privacy Controls, Siri and Siri Suggestions, and Safari Intelligent Tracking Prevention have been removed. See https://www.apple.com/uk/privacy/ for the latest on those features.
May 2019
Updated for iOS 12.3
Support for TLS 1.3
Revised description of AirDrop security
DFU mode and Recovery mode
Passcode requirements for accessory connections
November 2018
Updated for iOS 12.1
Group FaceTime
September 2018
Updated for iOS 12
Secure Enclave
OS Integrity Protection
Express Card with power reserve
DFU mode and Recovery mode
HomeKit TV Remote accessories
Contactless passes
Student ID cards
Siri Suggestions
Shortcuts in Siri
Shortcuts app
User password management
Screen Time
Security Certifications and programmes
July 2018
Updated for iOS 11.4
Biometric policies
HomeKit
Apple Pay
Business Chat
Messages in iCloud
Apple Business Manager
December 2017
Updated for iOS 11.2
Apple Pay Cash
October 2017
Updated for iOS 11.1
Security Certifications and programmes
Touch ID/Face ID
Shared Notes
CloudKit end-to-end encryption
TLS update
Apple Pay, Paying with Apple Pay on the web
Siri Suggestions
Shared iPad
July 2017
Updated for iOS 10.3
Secure Enclave
File Data Protection
Keybags
Security Certifications and programmes
SiriKit
HealthKit
Network Security
Bluetooth
Shared iPad
Lost Mode
Activation Lock
Privacy Controls
March 2017
Updated for iOS 10
System Security
Data Protection classes
Security Certifications and programmes
HomeKit, ReplayKit, SiriKit
Apple Watch
Wi-Fi, VPN
Single sign-on
Apple Pay, Paying with Apple Pay on the web
Credit, debit and pre-paid card provisioning
Safari Suggestions
May 2016
Updated for iOS 9.3
Managed Apple ID
Two-factor authentication for Apple ID
Keybags
Security Certifications
Lost Mode, Activation Lock
Secure Notes
Apple School Manager
Shared iPad
September 2015
Updated for iOS 9
Apple Watch Activation Lock
Password policies
Touch ID API support
Data Protection on A8 uses AES-XTS
Keybags for unattended software update
Certification updates
Enterprise app trust model
Data Protection for Safari bookmarks
App Transport Security
VPN specifications
iCloud Remote Access for HomeKit
Apple Pay Rewards cards, Apple Pay card issuer’s app
Spotlight on-device indexing
iOS Pairing Model
Apple Configurator 2
Restrictions