It's officially clear that Apple's cloud service "iCloud" is using Google's cloud

Cloud storage service offered by Apple "iCloud"Data handled in Google's cloud computing service"Google Cloud Platform"On the server of the latest version of(PDF)iOS Security GuideIt is clear from.

Apple confirms it uses Google cloud for iCloud
https://www.cnbc.com/2018/02/26/apple-confirms-it-uses-google-cloud-for-icloud.html

Apple confirms it now uses Google Cloud for iCloud services - The Verge
https://www.theverge.com/2018/2/26/17053496/apple-google-cloud-platform-icloud-confirmation

In the past "Apple is using Google's cloud"There have been reportsHowever, Apple has not admitted this fact publicly so far.

However, the item "iCloud" of the latest version of the iOS security guide published in January 2018 certainly says "Encrypted files can be downloaded without information identifying users, such as Amazon S3 or Google Cloud Platform It will be stored on third party storage service "and it will be in the form that Apple accepts that it is officially using Google's cloud service.


Apple's iCloud has been using remote data storage systems that Amazon Web Services and Microsoft Azure provide. Even in the iOS Security Guide updated in March 2017, the name of Microsoft Azure is written instead of Google Cloud Platform. The fact that Apple switched from Microsoft Azure to Google Cloud Platform is fresh evidence that "Google Cloud Platform has grown to catch up with Amazon and Microsoft in the cloud infrastructure business," CNBC reports.

In the past Apple plans to move the cloud service backend system to a single in-house system called codename "Pie"Be reportedIt is said that this plan aims to reduce dependency on Google and Amazon cloud services and aim to switch to your own system.

Build your own system to get out of the cloud Apple relies on Amazon, Microsoft and Google - GIGAZINE


Please note that the latest security guide does not specify whether Google Cloud Platform is used to store data other than pictures or videos. Apple and Google are commenting on this subject.