See How They Steal Your Voice: Three Words You Should Never Say On The Phone To Avoid Scams

A caller asks a simple question
You answer “yes”
They record your response
That recording is later used as “proof” that you agreed to a purchase, contract, or authorization

Even though you never did.

This is why it’s risky to give direct verbal confirmations to unknown callers.
Even “Hello” Can Put You at Risk

Many robocalls aren’t trying to talk to you at all.

They’re simply checking:

Is this number active?
Is there a real person?
Can a voice be recorded?

When you say “hello,” the system gets its answer.

That brief greeting can:

Confirm your number is valuable