sophisticated attacks targeting iOS users, thereby expanding the set of weaponized exploits and attacks – often referred to as a “threat model” – that all u...

https://www.apple.com/jp/privacy/docs/Building_a_Trusted_Ecosystem_for_Millions_of_Apps.pdf

or as an agglomerate and where, for 50 percent or more of the particles in the number size distribution, one or more external dimensions are in the size ran...

https://www.apple.com/jp/environment/pdf/Apple_Regulated_Substances_Specification_Sept2018.pdf