How to report an extortion email?
I discovered in my Spam folder an email sent from my email @att.net to my same email account, stating "I hacked your device and then got access to all your accounts...including your .....@att.net". There is an attempt at blackmail or extortion and asks for money. I changed my password to my att (Yahoo mail acct). Is there anything I should do? Is there any way to report this to authorities? To whom?