Caller hung up when answered, hence, AUTO CALL, seeing if some would pickup, then your number is short listed for a follow up call, this time by a real person, you answer it, you will be in DANGER of being scammed by a real professional scammer, with fake convincing story of why you should do as they ask. Hence a loss of money from your bank account is most likely - WARNING - If anyone wants to talk to you, they will leave a message - make sure your answer machine is working and you will never miss a genuine call, any calls you don't no, never answer them or call them back, if you are unsure, ask family members to help - SCAMMERS they are looking for vulnerable people/victims - You don't no who is calling you, you do not recognise the number, DONT ANSWER IT – let them leave message on your answer machine.