According to the Privacy Rights Clearinghouse, during the first half of 2012 we have seen 266 breaches that affect more than 18.5 million records. Dark Reading poured through the records and picked a breach for each month of 2012 (so far) as the most important exposures to learn from. The stakes have never been higher in the fight for control of corporate and consumer devices between malicious code and the anti-malware software designed to detect and stop it. The Malware War report covers the key methods malware writers use to thwart analysis and evade detection.”]
Source: https://www.darkreading.com/attacks-breaches/6-biggest-breaches-of-2012