There’s a great infographic at InformationIsBeautiful.net showing some of the largest data breaches in the world. This graph is interactive and has some great information!
Design & concept: David McCandless
Code: Tom Evans
Tech: VizSweet Balloon Race
Research: Miriam Quick, Ella Hollowood, Christian Miles, Dan Hampson
Sources: IdTheftCentre, DataBreaches.net, news reports