1) Malicious Software/Hack compromises unknown number of credit cards at fifth largest credit card processor
- Date: 2009-01-20
- Records Lost: 130,000,000
- Source: Outside
- Location: Princeton NJ, US
- Organizations: Heartland Payment Systems, Tower Federal Credit Union, Beverly National Bank
2) Hack exposes 94 million credit card numbers and transaction details
- Date: 2007-01-17
- Records Lost: 94,000,000
- Source: Outside
- Location: US
- Organizations: TJX Companies Inc.
3) Hackers access credit-reporting database.
- Date: 1984-06-01
- Records Lost: 90,000,000
- Source: Outside
- Location: US
- Organizations: TRW, Sears Roebuck
4) 77 million names, addresses, email addresses, birthdates, PlayStation Network/Qriocity passwords and logins, handle/PSN online ID, profile data, purchase history and possibly credit cards obtained.
- Date: 2011-04-26
- Records Lost: 77,000,000
- Source: Outside
- Location: US
- Organizations: Sony Corporation
5) Major card processor breached losing millions of credit card numbers
- Date: 2005-06-19
- Records Lost: 40,000,000
- Source: Outside
- Location: Tucson AZ, US
- Organizations: CardSystems, Visa, MasterCard, American Express
6) Hackers breached database and accessed username and password information on more than 30 million individuals
- Date: 2009-12-14
- Records Lost: 32,000,000
- Source: Outside
- Location: Redwood City CA, US
- Organizations: RockYou Inc.
7) Names, Social Security numbers, and dates of birth of 26.5 million U.S. military veterans stolen
- Date: 2006-05-22
- Records Lost: 26,500,000
- Source: Outside
- Location: US
- Organizations: U.S. Department of Veterans Affairs
8) HMRC
- Date: 2007-11-20
- Records Lost: 25,000,000
- Source: Outside
- Location: GB
- Organizations: HM Revenue and Customs, TNT
9) 24.6 million customer dates of birth, email addresses and phone numbers, including 12,700 non-U.S. credit or debit card numbers and expiration dates and about 10,700 direct debit records including bank account numbers accessed by hacker
- Date: 2011-05-02
- Records Lost: 24,600,000
- Source: Outside
- Location: US
- Organizations: Sony Online Entertainment, Sony Corporation
10) T-Mobile lost disk containing data on 17 million customers
- Date: 2008-10-06
- Records Lost: 17,000,000
- Source: Inside
- Location: DE
- Organizations: T-Mobile, Deutsche Telekom
11) Vital records of 1985 Canadian taxpayers stolen from Toronto's District Taxation Center.
- Date: 1986-11-01
- Records Lost: 16,000,000
- Source: Inside
- Location: Toronto ON, CA
- Organizations: Canada Revenue Agency
12) Lost backup tape of BNY Mellon Shareholder services contains names, Social Security numbers and possibly banking information.
- Date: 2008-03-26
- Records Lost: 12,500,000
- Source: Outside
- Location: Jersey City NJ, US
- Organizations: LaSalle Bank, BNY Mellon Shareowner Services, Archive Systems Inc, The Walt Disney Company, SYNOVUS
13) Names, Social Security numbers, and addresses of 11,000,000 found on lost discs
- Date: 2008-09-06
- Records Lost: 11,000,000
- Source: Outside
- Location: KR
- Organizations: GS Caltex
14) Information of up to 11 million members on laptop stolen in domestic burglary
- Date: 2006-11-18
- Records Lost: 11,000,000
- Source: Outside
- Location: GB
- Organizations: Nationwide Building Society
15) Nearly 9 million pieces of private data on customers stolen
- Date: 2007-03-12
- Records Lost: 8,637,405
- Source: Inside Malicious
- Location: JP
- Organizations: Dai Nippon Printing Company, Toyota Motor Corporation, American Home Assurance Co., Mitsubishi UFJ NICOS Co., Ltd., Aeon Co. Ltd.
16) 8.63 million patients' medical details, postcodes and details such as gender, age and ethnic origin, representing 18 million hospital visits, on missing or stolen laptop
- Date: 2011-06-14
- Records Lost: 8,630,000
- Source: Unknown
- Location: London Greater London, GB
- Organizations: London Health Programmes, NHS North Central London
17) 8.5 million consumer records containing credit card and bank account information stolen
- Date: 2007-07-03
- Records Lost: 8,500,000
- Source: Inside Malicious
- Location: US
- Organizations: Certegy Check Services Inc, Fidelity National Information Services
18) 8,257,378 patient records that included Social Security numbers of about 530,000 accessed by hacker
- Date: 2009-06-02
- Records Lost: 8,257,378
- Source: Outside
- Location: VA, US
- Organizations: Virginia Department of Health Professions
19) Personal information of 6.3 million exposed by database hack
- Date: 2007-09-14
- Records Lost: 6,300,000
- Source: Outside
- Location: US
- Organizations: TD Ameritrade
- Date: 2008-05-11
- Records Lost: 6,000,000
- Source: Outside
- Location: CL
- Organizations: Chilean Ministry of Education
