In May 2012, the web hosting, billing and automation company WHMCS suffered a data breach that exposed 134k email addresses. The breach included extensive information about customers and payment histories including partial credit card numbers.

Domain Entries Date Breached Hashing Privacy acknowledged?
https://whmcs.com 134,047 2012-05-21 MD5, WHMCS Public No

Information leaked

Email addresses, Email messages, Employers, IP addresses, Names, Partial credit card data, Passwords, Payment histories, Physical addresses, Website activity

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