Hackers allegedly stole data including snapshots of usernames, associated email addresses dating back to 2007, as well as sign-up and last login dates in plain text, Engadget reported on Saturday.
The hackers also accessed passwords for a third of the total user accounts, which were in hashed form and might have decrypted them.
According to Disqus, it learned of the leak after an independent security researcher Troy Hunt of "Have I Been Pwned" group alerted about the breach that impacted a database from 2012.
The company issued an official apology to its users and was currently investigating the incident.
As a precautionary measure, the company has asked all affected users to reset passwords.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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Doraiah Chowdary Vundavally is a Software engineer at VTech . He is the news editor of SocialNews.XYZ and Freelance writer-contributes Telugu and English Columns on Films, Politics, and Gossips. He is the primary contributor for South Cinema Section of SocialNews.XYZ. His mission is to help to develop SocialNews.XYZ into a News website that has no bias or judgement towards any.