Bitcoin Talk Data Breach

What happened?

In May 2015, the Bitcoin forum Bitcoin Talk was hacked and over 500k unique email addresses were exposed. The attack led to the exposure of a raft of personal data including usernames, email and IP addresses, genders, birth dates, security questions and MD5 hashes of their answers plus hashes of the passwords themselves.

When did it happen?

The breach date in the public record is May 22, 2015. The record was added to the catalogue on March 27, 2017 and last updated there on March 27, 2017.

What information was reported as exposed?

• Dates of birth
• Email addresses
• Genders
• IP addresses
• Passwords
• Security questions and answers
• Usernames
• Website activity

These are incident-level categories. The record does not prove that every category was exposed for every affected person.

Who may be affected?

This record may be relevant to people who had an account or other relationship with Bitcoin Talk or used bitcointalk.org around May 22, 2015. A catalogue entry does not establish that every customer was affected or that every listed data category applied to each person. Compare the record with an official notice addressed to you.

What should you do?

Choose actions that match the information involved. If you find signs that someone is using your identity, the Federal Trade Commission provides a personal recovery plan at IdentityTheft.gov.