Bad news for AT&T customers! You all are vulnerable to phishing scams – thanks to AT&T's text protocols. The actual problem lies in the way AT&T handles its customer alerts via text messages, as it’s very easy for cybercriminals to mimic.
In "Phishing" attacks, scammers attempt to trick victims into revealing their personal and financial information by sending email or text messages that appear to be from legitimate companies. Instead of emails, here hackers have targeted AT&T users with the text messages.
According to Dani Grant, the computer programmer who discovered the flaw and reported to the company, AT&T is making use of plethora for short codes, due to which its customers unable to distinguish between the legitimate and phishing messages.