Apple, Inc./BlueToad

2012

12,367,232

tech, retail

accidentally published

Barnes & Noble

2012

63 stores

retail

hacked

Bedford/St. Martin's

2012-2014

unknown

retail

unknown

Blizzard Entertainment

2012

14,000,000

gaming

hacked

California Department of Child Support Services

2012

800,000

government

lost / stolen media

Dropbox

2012

unknown

web

hacked

Emory Healthcare

2012

315,000

healthcare

poor security

Formspring

2012

420,000

web

accidentally published

Gamigo

2012

8,000,000

web

hacked

Global Payments

2012

7,000,000

financial

hacked

Greek government

2012

9,000,000

government

hacked

Iranian banks (three: Saderat, Eghtesad Novin, and Saman)

2012

3,000,000

financial

hacked

KT Corporation

2012

8,700,000

telecoms

hacked

LinkedIn, eHarmony, Last.fm

2012

8,000,000

web

accidentally published

Massive American business hackincluding 7-Eleven and Nasdaq

2012

160,000,000

financial

hacked

US Medicaid

2012

780,000

government, healthcare

hacked

Militarysingles.com

2012

163,792

web, military

accidentally published

New York State Electric & Gas

2012

1,800,000

energy

inside job

Office of the Texas Attorney General

2012

6,500,000

government

accidentally published

Rambler.ru

2012

98,167,935

web

hacked

South Carolina Government

2012

6,400,000

healthcare

inside job

Syrian government (Syria Files)

2012

2,434,899

government

hacked

TD Bank

2012

260,000

financial

hacked

Yahoo! Voices

2012

450,000

web

hacked

Zappos

2012

24,000,000

web

hacked