Researcher Fabian Bräunlein found that Apple’s Find My location network can be used to “upload arbitrary data to the internet.”
Being inherent to the privacy and security-focused design of the Find My Offline Finding system, it seems unlikely that this misuse can be prevented completely.
Check It Out: Security Researcher Hacks Apple’s ‘Find My’ Network
According to the link, you need install firmware into a modem, and install an app on the target Mac to capture and decode the data that is uploaded.
Doesn’t this mean you need to fool people into installing the app for this hack to occur?