Data Breach Database

Browse publicly disclosed data breaches by affected accounts, date and exposed data types.

2,376
Total Breaches
22.8 Billion
Affected Accounts
1,830
Verified

2,376 breaches · showing 517–528

Breach date
Affected accounts

Breach list

  • Affected705 Thousand

    Illinois DHS Public Maps 2025 Data Breach

    The Illinois DHS Public Maps 2025 data breach occurred when internal planning maps created by the Illinois Department of Human Services were viewable on a public mapping…

    • Special-category data:Medical assistance plan names
    • 9 more data types

    Government

  • Affected27.2 Thousand

    Wyandot Center 2025 Data Breach

    The 2025 Wyandot Center data breach involved unauthorized access to portions of the Wyandot Behavioral Health Network. The U.S.

    • Special-category data:Patient IDs
    • Special-category data:Medical record numbers
    • 7 more data types
    • 8 more data types

    Healthcare

  • Affected319.2 Thousand

    VITAS Hospice Services 2025 Data Breach

    The VITAS Hospice Services 2025 data breach was a cybersecurity incident in which an unauthorized party used a compromised vendor account to access the hospice…

    • Special-category data:Protected health information
    • 14 more data types

    Healthcare

  • Affected74.7 Thousand

    Discord Data Breach

    The 2025 Discord data breach involved unauthorized access on September 20, 2025 to a system operated by 5CA, a third-party provider used for Discord customer service.

    • Names
    • Usernames
    • Email addresses
    • 10 more data types
    • 11 more data types

    Social Media

  • Affected63 Thousand

    Hematology Oncology Consultants Data Breach

    The Hematology Oncology Consultants data incident relates to a cyberattack the organization reported as occurring on or about September 20, 2025.

    • Special-category data:Medical information
    • 3 more data types

    Healthcare / Oncology

  • Affected25.8 Thousand

    Cary Pediatric Center 2025 Data Breach

    The Cary Pediatric Center 2025 data breach was a network-security incident detected by the pediatric practice around September 19, 2025.

    • Special-category data:Protected health information in recorded calls
    • 2 more data types

    Healthcare

  • Affected501

    Dermatology Associates of Concord 2025 Data Breach

    The 2025 Dermatology Associates of Concord data breach affected 501 people after an unauthorized person copied certain files from the organization's network.

    • Special-category data:Protected health information
    • Names
    • 1 more data type

    Healthcare

  • Affected133.9 Thousand

    IPPC 2025 Data Breach

    The 2025 IPPC data breach concerns a network incident affecting pharmacy services provided to long-term-care organizations by IPPC Inc., IPPC of New York LLC,…

    • Special-category data:Medical information
    • 3 more data types

    Healthcare

  • Affected515.1 Thousand

    University of the People (UoPeople) 2025 Data Breach

    The University of the People UoPeople data breach is a highly sensitive student data incident examined within the context of the US-accredited online university…

    • Names
    • Email addresses
    • Phone numbers
    • 4 more data types
    • 5 more data types

    Education / Online university

  • Affected377.1 Thousand

    Gulshan Management Services Data Breach: 377,082 People

    The 2025 Gulshan Management Services data breach was a security incident in which an unauthorized third party may have accessed personal information in company systems…

    • Names
    • Contact information
    • 5 more data types
    • 6 more data types

    Business Services

  • AffectedAt least 5

    Fargo Park District Data Breach

    The 2025 Fargo Park District data breach was confirmed through the agency's consumer notice and Massachusetts's official breach report.

    • Special-category data:Medical information
    • 3 more data types

    Government

  • Affected402.7 Thousand

    Mercadien Data Breach

    The 2025 Mercadien data breach affected 402,741 people according to the Indiana Attorney General's record.

    • Names
    • Physical addresses
    • 9 more data types
    • 10 more data types

    Professional Services

All Breaches (A–Z) →