Hackers penetrated through the Facebook's server in the year 2020 and were able to get access to millions of users' mobile number and Facebook IDs, but it was less highlighted in the media. But now it is the repetition, as an independent cybersecurity expert who goes by the moniker Alon Gal on Twitter has reported that the contact numbers of 530 million users are on sale. 

A hacker has created a bot to sell the information for $20 per number ( approx. Rs 1,458) on the Telegram application. Gal warned users across more than 100 countries including the US (32 million+) and India ( 6 million+) are at risk of getting preyed on by hackers. Both Telegram and Facebook have not responded to the report. Also, the former has not attempted to block the bot from selling personal information on its messenger app.

Due to the security breach, users are advised to be cautious on receiving calls from unknown persons. Criminals use phishing techniques aimed to hoodwink people and retrieve financial details. Common People has to remember No bank or income tax officials call an individual person to reveal the account number or any personal details via phone. 

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