I need to protect my iPhone

Checklist: If you want to see if anyone else has access to your device or accounts

Get a verification code and sign in with two-factor authentication Once activated - you can deactivate only for the first 14 days. There after - it can not be turned off.

Log into your Apple ID Account https://appleid.apple.com/ and change your Apple ID Password.

Eileen_67 wrote:

I was recently hacked through my WiFi or iPhone and want to know how I can tell if it is still compromised

How do you know you were hacked? How do you know it was through your WiFi or iPhone?