My iPhone 14 has been compromised

Run Safety Check. You should change your Password/Passcode as well as review the information you are sharing. You are also able to see if there are other devices signed into your Apple ID.

How Safety Check on iPhone works to keep you safe - Apple Support

If you thing your Apple ID has been compromised:

If you think your Apple ID has been compromised - Apple Support

Without any specifics or screenshots, there is no much to go on here.

iPhone routinely connects to many different servers, and that for many different services.

Without posting screenshots, please tell us why you think your iPhone has been compromised.

While there is malware for iPhone, it’s been exceedingly rare and targeted, based on all available evidence.

Telemetry is awash with ominous and cryptic and scarily-worded and utterly benign and normal messages, if that’s where you’re looking. Telemetry exists for Apple and for app developers, and for folks. Malware authors generally prefer to not leave any tracks in telemetry.