Data Breaches in the US

(9/29/2014) Here is a list of data breaches in recent years.

Company -- Time of news -- Impact -- Type of data breaches
Post Office (USPS) -- November 2014 -- 500K employees and some customers-- Employees email, SSN, telephone #'s
CurrentC (MCX) -- October 2014 -- Unknown -- emails hacked
Dairy Queen -- August to October 2014 -- 395 stores -- consumer credit cards
Home Depot -- September 2014 -- 56 millions -- consumer credit cards,
Target -- December 2013 -- 40 millions -- consumer credit cards,
TJ Max -- March 2007 -- 46 millions  -- Consumer credit cards (unsecured network)
Heartland Payment Systems -- January 2009 -- 100 millions cards & 650 financial companies -- Credit card data
Sony -- May 2011 -- More than 100 millions -- User personal data