Every public data breach

44 disclosed this week · 26,355 on record

Quidd

Disclosed Jun 24, 20203,805,863 accountsUnverified

In 2019, online marketplace for trading stickers, cards, toys, and other collectibles Quidd suffered a data breach . The breach exposed almost 4 million users' email addresses, usernames and passwords stored as bcrypt hashes. The data was subsequently sold then redistributed extensively via hacking forums.

What is known

People affected3,805,863 (accounts in the leaked data, per Have I Been Pwned)
DisclosedJun 24, 2020
HappenedJul 1, 2019
AttackHacking
Data exposedEmailsPasswords
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

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