Suspicious security alert- while on Pinterest

Gibsonmb71 is correct. It is a scam attempt to steal your identity or your money (or both), but if you don’t respond to it you are in no danger. Here’s more information on these scams→Avoid phishing emails, fake ‘virus‘ alerts, phony support calls, and other scams

It is a maliciously crafted advertisement designed to provoke fear and panic. I would recommend not visiting that website if that’s how they are going to run their advertisements.

don’t worry, it’s fake.