Your fraud protection services are not acceptable. They sound like a scam from an outside party.
There is no proof on the Verizon web page or from a verified Verizon source saying that the number *******200 is actually Verizon Fraud Protection Services. Anyone could spoof this number, write on some forums online claiming to be Verizon, and gain access to sensitive customer data by asking them to call back.
You should not be asking people for their password over the phone. This is a huge red flag. I have never been asked this before by a real company until today. The representative on the phone mocked me for preferring to give the last 4 digits of my SSN and for not trusting her. This is unacceptable and unprofessional. This is supposed to be your best line of defense against fraud. If a fraudulent group used this same procedure, claiming to be you, they would immediately have access to countless customer names, emails, addresses, and associated passwords (which, for many people, is enough to access their bank accounts, credit cards, social media, etc.)
The email address that sends the fraud confirmation comes from *******@verizonwireless.com. All other emails from Verizon come from [name]@ecrmemail.verizonwireless.com. I know it is still from a Verizon address, but it is incongruous.
Please do something about this.