Fake call

Just got a phone call from an 800 # telling me my iCloud has been breached. "Do not use to online or get financial info. Your iCloud will not be fixed unless you press (#) for support. I did, A man said Apple Support and wanted to know why I was calling. I said I had received a phone call about iCloud breach. He said, OK what is your name. I said, How do I know this is Apple. He did not respond. I heard the noise of a call center and hung up. I then recalled the 800# and the pick up was, You have reached the Delaware Optic Center.