Scammers are adopting new strategies to commit fraud; here are the most effective strategies used by scammers.
A scammer called a person using a legitimate company’s phone number and told him that his account was overdue and would be suspended unless he provided new credit card information. This person was unaware of the scam because he assumed it was a legitimate phone number and was unaware of spoof calls, so he lost all of his money.
Source: Scamdialer