2.7 billion email addresses exposed online, more than 1 billion of them include passwords

guest · Dec 11, 2019

2.7 billion email addresses exposed online, more than 1 billion of them include passwords
December 10, 2019
https://www.comparitech.com/blog/information-security/2-7-billion-email-addresses-exposed-online/

A huge database of more than 2.7 billion email addresses was left exposed on the web, accessible to anyone with a web browser. More than one billion of those records also contained a plain-text password associated with the email address.

Comparitech collaborated with security researcher Bob Diachenko to uncover the database on December 4, 2019. Although the database owner was not identified, Diachenko immediately alerted the US ISP that hosted the IP address to take it down.
The vast majority of emails were from Chinese domains including qq.com, 139.com, 126.com, gfan.com, and game.sohu.com. Those domains belong to some of China’s biggest internet companies including Tencent, Sina, Sohu, and NetEase.

Upon verification, we concluded that all the emails with passwords originated from the so-called “Big Asian Leak,” first uncovered by HackRead. In January 2017, a dark web vendor was selling the records that included passwords.
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This is the largest data exposure Comparitech has discovered to date.
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