See Identify legitimate emails from the App Store or iTunes Store See If you see /bill, /bill, or an unfamiliar charge on your statement
Learn about Phishing, Scams, Apple Practices,etc. Here is What to do after you change your Apple ID or password If you gave you Apple ID password to a scammer, then
Did you provide any potentially damaging information to anyone? If yes, you'll need to follow up, for example, with a credit card company, Apple, your bank, etc.