This document is organized into the following topic areas: • System security: The integrated and secure software and hardware that are the platform for iPhone, iPad, and iPod touch. • Encryption and data protection: The architecture and design that protect user data 
 if the device is lost or stolen, or if an unauthorized person attempts to use or modify it. • App security: The systems that enable apps to run securely and without compromising platform integrity. • Network security: Industry-standard networking protocols that provide secure authentication and encryption of data in transmission. • Internet services: Apple’s network-based infrastructure for messaging, syncing, and backup. • Device controls: Methods that prevent unauthorized use of the device and enable it to be remotely wiped if lost or stolen. • Privacy controls: Capabilities of iOS that can be used to control access to Location !Services and user data.