According to the Privacy Rights Clearinghouse, there have seen 266 breaches that affect more than 18.5 million records. Dark Reading picked a breach for each month of 2012 so far to highlight as the most important exposures to learn from in the first half of the year. Zappos’ 24 million records, including names, email addresses, phone numbers, last four digits of credit card numbers, and encrypted passwords, were breached in January 2012. Global Payment Systems’ 7 million consumer records were exposed in March.”]
Source: https://www.darkreading.com/database-security/6-biggest-breaches-of-2012-so-far