They have a major outage every couple of years. These don't have as much impact as some other cloud outages because they only affect Apple products, i.e. they're not hosting services for other companies.
- https://www.cnbc.com/2024/04/03/apple-investigates-app-store...
- https://www.macrumors.com/2023/02/23/app-store-apple-music-a...
- https://www.the-sun.com/tech/4944089/apple-maps-down-icloud-...
- https://www.macrumors.com/2019/05/08/itunes-and-app-stores-s...
- https://www.macrumors.com/2018/03/27/app-store-outage/
- https://www.cnbc.com/2016/06/02/apple-reporting-outages-for-...
- https://www.cnbc.com/2015/03/11/some-apple-services-sufferin...