If You Get a Call That Starts With “Can You Hear Me?” It’s a Dangerous Scam
This is why I say it never pays to be polite to anyone ever. A new phone scam going on where the first thing the person asks is, "Can you hear me?"
Your instinct will be to say, "Yes," and if you do, you're screwed.
Because the scammers are recording you saying "Yes" so they can play that back when they use your stolen credit card number to buy something and the credit card company calls to confirm the purchase.
If you get a call that starts off with "Can you hear me?" just hang up. BUt if you think it might be a legitimate call, don't say "Yes," say something like, "I can hear you."
Read more at Consumerist.