A friend received a refund message after booking a plane ticket. He is worried that it is a virus. what should he do ？

Well, this vigilance can prevent your friends from being cheated. The mobile phone housekeeper recently released five types of fraud during the National Day holiday, including this kind of refund fraud. You can ask your friends to install one, and they will give corresponding anti-fraud skills according to these fraud methods. You can ask a friend to call the official airline to verify. Just don't follow the message.