Quidd data breach: 3.8M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2020-06-24
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. Exposed data: email addresses, passwords, usernames. The breach dates from Jul 1, 2019; Have I Been Pwned loaded it on Jun 24, 2020.
What to do
- If you had a Quidd account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
All live incidents on Threat Watch