Personal info of 6 lakh Indian Facebook users reportedly put on sale on Telegram
Facebook is repeatedly troubled by data breach accusations
A Telegram bot sold a phone number or Facebook ID for $20
Data part of a mobile number database of 500 million FB users
Leak relates to a previous security incident which FB admitted to in late 2019
The incident made numbers linked to over 400 million users visible to all
Phone number can be used to find profiles and may even lead to phishing and hacking attacks
