The document further talks about how various security systems within iPhones and computers talk to each other and how they are designed to protect Apple user's privacy. Apple's security system is not full-proof but it is one of the best in the business. The company receives bug reports often and has even faced lawsuits for infringing copyrights to improve the security of its operating systems. Security researcher Patrick Wardle has earlier suggested how Macbooks with Mi chipset are fully secure and require future security updates. Apple has also updated the chipset of its devices with a T2 chip and dedicated AES hardware engine to implement line-speed encryption. The security guide also talks about iBoot implementation for iPhones and iPads and other security changes through iOS 14 and iPadOS 14 updates.