Data breach
Carding Mafia (December 2021) data breach
303,877 accounts · breached December 28, 2021
Have I Been Pwned treats this breach as sensitive: it does not reveal publicly whether a particular address is in it. Only the owner of an address can check, after verifying it.
What happened
In December 2021, the Carding Mafia forum suffered a data breach that exposed over 300k members' email addresses. Dedicated to the theft and trading of stolen credit cards, the forum breach also exposed usernames, IP addresses and passwords stored as salted MD5 hashes. This breach came only 9 months after another breach of the forum in March 2021.
What data leaked
- Email addresses
- IP addresses
- Passwords
- Usernames
What to do if you had an account
- Change the password. Change your password on this service. If you used the same password anywhere else, change it there too: attackers try leaked email and password pairs on other sites automatically. A password manager makes one unique password per site practical.
- Turn on two-step sign-in. Enable two-factor authentication where the service offers it, preferably with an authenticator app or a passkey. A leaked password alone is then not enough to get in.
- Expect targeted phishing. Leaked contact details are used to write convincing fake messages that mention the breached company or your real name. Do not click links in unexpected emails or texts about this account; go to the site by typing its address.
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