Data Breaches:

A resource to explore data behind the 2014 breaches and all the biggest data breaches since 2005. 

This Silk collects and structures information from the massive database maintained by Privacy Rights Clearinghouse on data breaches. We have included their information on the 2014 breaches and on the biggest breaches since 2005 (those with 500,000 or more leaked records known). The text details on each data breach is also from their analysis.

How to Use This Silk: Browse the charts and maps below. Click "Explore" anywhere on the site to go into visualization and filtering mode. Search for individual pages or entities in the top search box. 

Records Breached in 2014 Data Breaches

Page Title
Type of Target
Type of Breach
Records Breached
Ebay - 21/05/2014Businesses - OtherHacking or malware145000000San Jose, California
J.P. Morgan Chase - 28/08/2014Businesses - Financial and Insurance ServicesHacking or malware76000000New York, New York
The Home Depot - 02/09/2014Businesses - Financial and Insurance ServicesHacking or malware56000000Atlanta, Georgia
Community Health Systems - 18/08/2014Healthcare & Medical ProvidersHacking or malware4500000Franklin, Tennessee
Michaels Stores - 25/01/2014Businesses - Financial and Insurance ServicesHacking or malware2600000Irving, Texas
Texas Health and Human Services - 25/11/2014Government and MilitaryUnintended disclosure2000000Houston, Texas
Neiman Marcus - 10/01/2014Businesses - Financial and Insurance ServicesHacking or malware1100000Dallas, Texas
Goodwill Industries International - 14/07/2014Businesses - Financial and Insurance ServicesHacking or malware868000Rockville, Maryland
Oregon Employment Department, WorkSource Oregon - 10/10/2014Government and MilitaryHacking or malware850000Portland, Oregon
U.S. Postal Service - 10/11/2014Government and MilitaryHacking or malware800000Washington, District Of Columbia
The Variable Annuity Life Insurance Company - 26/02/2014Businesses - Financial and Insurance ServicesInsider774723Amarillo, Texas
St. Joseph Health System - 05/02/2014Healthcare & Medical ProvidersHacking or malware405000Suwanee, Georgia
Aaron Brothers - 17/04/2014Businesses - Financial and Insurance ServicesHacking or malware400000Coppell, Texas
University of Maryland - 19/02/2014Educational InstitutionsHacking or malware309079College Park, Maryland
North Dakota University - 06/03/2014Educational InstitutionsHacking or malware290780Bismarck, North Dakota
Paytime - 14/05/2014Businesses - Financial and Insurance ServicesHacking or malware233000Mechanicsburg, Pennsylvania - 13/10/2014Businesses - OtherHacking or malware200000
Department of Health - Los Angeles County, Sutherland Healthcare Solutions - 06/03/2014Healthcare & Medical ProvidersStationary device168000Los Angeles, California
Butler University - 30/06/2014Educational InstitutionsHacking or malware163000Indianapolis, Indiana
Boxee - 02/04/2014Businesses - OtherHacking or malware158128Ridgefield Park, New Jersey
Indiana University - 26/02/2014Educational InstitutionsHacking or malware146000Bloomington, Indiana
Splash Car Wash - 26/06/2014Businesses - Financial and Insurance ServicesHacking or malware120000Greenwich, Connecticut
NRAD Medical Associates - 21/06/2014Healthcare & Medical ProvidersInsider96998Nassau, New York
Deltek - 07/04/2014Government and MilitaryHacking or malware80000Herndon, Virginia
Total Bank - 17/07/2014Businesses - Financial and Insurance ServicesHacking or malware72500Miami, Florida
St. Vincent Breast Center - 04/07/2014Healthcare & Medical ProvidersUnintended disclosure63000Indianapolis, Indiana
Onsite Health Diagnostics - 12/11/2014Healthcare & Medical ProvidersHacking or malware60582Dallas, Texas
Veterans Of Foreign Wars Of The United States - 11/04/2014Non-Profit OrganizationsHacking or malware55000Kansas City, Missouri
Bartell Hotels - 10/09/2014Businesses - OtherHacking or malware55000San Diego, California
Arkansas State University - College of Education and Behavioral Science's Department of Childhood Services - 30/05/2014Educational InstitutionsHacking or malware50000Jonesboro, Arkansas
Statista - 10/03/2014Businesses - OtherHacking or malware50000New York, New York
Orthopaedic Specialty Institute Medical Group - 12/08/2014Healthcare & Medical ProvidersPhysical loss49000Orange, California
Sony Pictures - 24/11/2014Businesses - OtherHacking or malware47000New York, New York - 06/04/2014Businesses - OtherHacking or malware36802
Riverside Community College - 16/06/2014Educational InstitutionsUnintended disclosure35212Riverside, California
Lowe's - 22/05/2014Businesses - Financial and Insurance ServicesUnintended disclosure35000Mooresville, North Carolina
Safety First - 19/05/2014Businesses - OtherUnintended disclosure35000Parsippany, New Jersey
Redwood Regional Medical Group - 12/06/2014Healthcare & Medical ProvidersPhysical loss33702Santa Rosa, California
Cedars-Sinai Medical Center - 22/08/2014Healthcare & Medical ProvidersPortable device33136Los Angeles, California
The Home Depot - 06/02/2014Businesses - Financial and Insurance ServicesInsider30000Atlanta, Georgia
Iowa State University - 22/04/2014Educational InstitutionsHacking or malware29780Ames, Iowa
University Pittsburgh Medical Center - 18/04/2014Healthcare & Medical ProvidersHacking or malware27000Pittsburgh, Pennsylvania
U.S. Investigations Services - 22/08/2014Government and MilitaryHacking or malware25000Falls Church, Virginia
Sally Beauty Supply - 05/03/2014Businesses - Financial and Insurance ServicesHacking or malware25000Denton, Texas
Highlands-Cashier Hospital - 01/12/2014Healthcare & Medical ProvidersUnintended disclosure25000Highlands, North Carolina
Orangeburg-Calhoun Technical College - 14/07/2014Educational InstitutionsPortable device20000Orangeburg, South Carolina
Internal Revenue Service - 18/03/2014Government and MilitaryInsider20000
Coca-Cola Company - 24/01/2014Businesses - OtherPortable device18000Atlanta, Georgia
Blue Shield of California, Department of Managed Healthcare - 03/07/2014Businesses - Financial and Insurance ServicesUnintended disclosure18000San Francisco, California
Stanford Federal Credit Union - 11/06/2014Businesses - Financial and Insurance ServicesUnintended disclosure18000Palo Alto, California
Department of Human Services' Office of Behavioral Health - Denver - 10/10/2014Government and MilitaryUnintended disclosure15000Denver, Colorado
The University of Wisconsin-Parkside - 27/03/2014Educational InstitutionsHacking or malware15000Kenosha, Wisconsin
Rady's Childrens Hospital - 19/06/2014Healthcare & Medical ProvidersUnintended disclosure14100San Diego, California
Department of Health and Mental Hygiene - Maryland - 17/03/2014Government and MilitaryHacking or malware14000Baltimore, Maryland
University of Miami Health System - 10/02/2014Healthcare & Medical ProvidersPhysical loss13000Miami, Florida
Mount Sinai Beth Israel - 03/10/2014Healthcare & Medical ProvidersPortable device10790New York, New York
Memorial Hermann Hospital - 29/08/2014Healthcare & Medical ProvidersInsider10604Houston, Texas
The Hand Care Center/Shoulder and Elbow Institute - 26/08/2014Healthcare & Medical ProvidersPhysical loss10000Orange., California
University of California - San Francisco Family Medicine Center at Lakeshore - 12/03/2014Healthcare & Medical ProvidersStationary device9986San Francisco, California
Service Coordination - 17/03/2014Healthcare & Medical ProvidersHacking or malware9700Frederick, Maryland
Health Source of Ohio - 14/03/2014Healthcare & Medical ProvidersPhysical loss8800Milford, Ohio
Jessie Trice Community Health Center - 07/11/2014Healthcare & Medical ProvidersHacking or malware8000Miami, Florida
Seattle Public Schools - 14/11/2014Educational InstitutionsUnintended disclosure8000Seattle, Washington
Department of Public Health - Alabama - 22/05/2014Government and MilitaryInsider7000Montgomery, Alabama
Beachwood-Lakewood Plastic Surgery - 29/08/2014Healthcare & Medical ProvidersPortable device6141Beachwood, Ohio
Regional Public Safety Communication Agency - NORCOM-North East King County - 14/01/2014Government and MilitaryHacking or malware6000Bellevue, Washington
Hanover Foods - 21/05/2014Businesses - OtherUnintended disclosure5867Hanover, Pennsylvania
Kaiser Permanente Northern California Division of Research - 02/04/2014Healthcare & Medical ProvidersHacking or malware5100 (patients)Oakland, California
Palomar Health - 28/03/2014Healthcare & Medical ProvidersPortable device5000 (patients)Escondido, California
Molina Healthcare - 06/05/2014Healthcare & Medical ProvidersPhysical loss5000Long Beach, California
Eye Surgery Education Council - 02/01/2014Healthcare & Medical ProvidersHacking or malware4748Fairfax, Virginia
K. Min Yi - 05/02/2014Healthcare & Medical ProvidersPhysical loss4676San Jose, California
Department of Employment and Workforce - South Carolina - 15/01/2014Government and MilitaryInsider4658Columbia, South Carolina
South Texas Veterans Health Care System - 09/10/2014Healthcare & Medical ProvidersUnintended disclosure4000San Antonio, Texas
Highmark - 05/06/2014Businesses - Financial and Insurance ServicesUnintended disclosure3675Pittsburgh, Pennsylvania
80's Tees - 28/02/2014Businesses - Financial and Insurance ServicesHacking or malware3503Mt. Pleasant, Pennsylvania
Department of Behavioral Health and Developmental Disabilities - Georgia - 10/10/2014Government and MilitaryPortable device3397Atlanta, Georgia
BioReference Laboratories, CareEvolve - 25/08/2014Healthcare & Medical ProvidersUnintended disclosure3334Ann Arbor, Michigan
Multi-State Billing Services - 02/07/2014Businesses - Financial and Insurance ServicesPortable device3000Somersworth, New Hampshire
AltaMed Health Services - 29/08/2014Healthcare & Medical ProvidersInsider2995Los Angeles, California
Humana - 23/05/2014Healthcare & Medical ProvidersPortable device2962Atlanta, Georgia
Bay Area Pain Medical Associates - 16/07/2014Healthcare & Medical ProvidersStationary device2780Sausalito, California
University of Massachusetts - Memorial Medical Center - 05/05/2014Healthcare & Medical ProvidersInsider2400Worcester, Massachusetts
Cone Health - 14/11/2014Healthcare & Medical ProvidersUnintended disclosure2076Greensboro, North Carolina
Baylor Regional Medical Center - 09/05/2014Healthcare & Medical ProvidersHacking or malware1981Dallas, Texas
College of the Desert - 09/06/2014Educational InstitutionsInsider1900Palm Desert, California
Penn State Milton S. Hershey Medical Center - 06/06/2014Healthcare & Medical ProvidersInsider1801Hershey, Pennsylvania
Point Park University - 05/03/2014Educational InstitutionsUnknown or other1800Pittsburgh, Pennsylvania
Dominion Resources - 21/07/2014Businesses - OtherHacking or malware1700Richmond, Virginia
City of Detroit - 03/03/2014Government and MilitaryHacking or malware1700Detroit, Michigan
AT&T - 06/10/2014Businesses - Financial and Insurance ServicesInsider1600Dallas, Texas
Midwest Womens Healthcare Specialists - 27/05/2014Healthcare & Medical ProvidersPhysical loss1500Kansas City, Missouri
Provo City School District - 01/10/2014Educational InstitutionsHacking or malware1400Provo, Utah
John Hopkins University - 07/03/2014Educational InstitutionsHacking or malware1307Baltimore, Maryland
Albertina Kerr Centers - 09/10/2014Healthcare & Medical ProvidersPortable device1300Gresham, Oregon
University Development and Alumni Relations at the Penn State College of Medicine - 10/07/2014Educational InstitutionsHacking or malware1176Philadelphia, Pennsylvania
St. Francis Hospita and Medical Centers - 10/06/2014Healthcare & Medical ProvidersUnintended disclosure1175Columbus, Georgia
University Urology - 11/04/2014Healthcare & Medical ProvidersPhysical loss1144Knoxville, Tennessee
Harper University Hospital - Detroit Medical Center - 13/03/2014Healthcare & Medical ProvidersInsider1087Detroit, Michigan
University of Kentucky HealthCare, Talyst - 25/03/2014Healthcare & Medical ProvidersPortable device1079Lexington, Kentucky
St. Francis Hospita and Medical Centers - 24/01/2014Healthcare & Medical ProvidersPhysical loss858Hartford, Connecticut
Emory Dialysis Center - 11/03/2014Healthcare & Medical ProvidersPortable device826Atlanta, Georgia
University Hospitals - 28/11/2014Healthcare & Medical ProvidersInsider692Cleveland, Ohio
Penn Medicine Rittenhouse - 18/07/2014Healthcare & Medical ProvidersPhysical loss661Philadelphia, Pennsylvania
Orlando Health's Arnold Palmer Medical Center - 27/03/2014Healthcare & Medical ProvidersPortable device586Orlando, Florida
Service Alternatives - 17/06/2014Businesses - OtherHacking or malware550Coupeville, Washington
Cornerstone Health Care - 11/03/2014Healthcare & Medical ProvidersPortable device548Hight Point, North Carolina
Rite Aid Pharmacy - 30/07/2014Businesses - Financial and Insurance ServicesPhysical loss521Milton, Washington
Promedica Bay Park Hospital - 28/05/2014Healthcare & Medical ProvidersInsider500Oregon, Ohio
Salina Family Healthcare Center - 26/06/2014Healthcare & Medical ProvidersUnintended disclosure500Salina, Kansas
Apple Valley Christian Care Center - 16/07/2014Healthcare & Medical ProvidersUnintended disclosure500Apple Valley, California
Southwest General Health Center - 14/01/2014Healthcare & Medical ProvidersPhysical loss480Middleburg Heights, Ohio
Various Taxi Cab Companies in Chicago - 03/03/2014Businesses - OtherHacking or malware466Chicago, Illinois
McKenna Long & Aldridge - 26/02/2014Businesses - OtherHacking or malware441Albany, New York
Access Health CT - 10/06/2014Businesses - Financial and Insurance ServicesInsider413Hartford, Connecticut
CVS/Caremark - 30/07/2014Businesses - Financial and Insurance ServicesUnintended disclosure350Atlanta, Georgia
San Antonio Metropolitan Health District - 30/06/2014Healthcare & Medical ProvidersPortable device300San Antonio, Texas
Hospital for Veterans Affairs - Denver - 28/05/2014Businesses - Financial and Insurance ServicesStationary device248Denver, Colorado
Seton Northwest Hospital - 28/04/2014Healthcare & Medical ProvidersInsider180Austin, Texas
Fort Hays State University - 01/10/2014Educational InstitutionsUnintended disclosure138Hays, Kansas
Hickory Grove Gas Station - 18/03/2014Businesses - Financial and Insurance ServicesHacking or malware100 - 300Vincent, Ohio
Milpitas Knights PAL Youth Football - 26/08/2014Businesses - OtherPhysical loss80Milpitas, California
WellCare Health Plans - 06/12/2014Healthcare & Medical ProvidersUnintended disclosure47Monroe County, New York
Silk Road, U.S Marshall Service - 23/06/2014Businesses - Financial and Insurance ServicesHacking or malware40Washington, District Of Columbia
Department of Social Services - Alamance County - 10/01/2014Government and MilitaryInsider33Burlington, North Carolina
Milford Schools - 02/07/2014Educational InstitutionsPortable device25Milford, Massachusetts
Eastern Alliance Insurance Group - 27/02/2014Businesses - OtherInsider23Birmingham, Alabama
Boulder Community Health - 08/05/2014Healthcare & Medical ProvidersPhysical loss16Boulder, Colorado
Central City Concern - 03/04/2014Non-Profit OrganizationsInsider15Portland, Oregon
Central City Concern - 16/07/2014Non-Profit OrganizationsUnintended disclosure15Portland, Oregon
Placemark Investments - 23/05/2014Businesses - Financial and Insurance ServicesHacking or malware11Addison, Texas

Number of records breached, mapped by location of targeted organization. Note that some data breaches have no information on the number of records breached, and therefore aren t shown in the map. Click Explore to look at a table that contains all data breaches, and to change this map to show all the biggest data breaches since 2005.

Most recent data breaches

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