Dervishe the Grey on Nostr: "While Microsoft said when it disclosed the incident in July that only Exchange ...

"While Microsoft said when it disclosed the incident in July that only Exchange Online and Outlook were impacted, Wiz security researcher Shir Tamari later said that the compromised Microsoft consumer signing key provided Storm-0558 widespread access to Microsoft cloud services.

As Tamari said, the key could be used to impersonate any account within any impacted customer or cloud-based Microsoft application."

https://www.bleepingcomputer.com/news/microsoft/hackers-stole-microsoft-signing-key-from-windows-crash-dump/