Data Breach Database

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

2,526
Total Breaches
25.4 Billion
Affected Accounts
1,980
Verified

2,526 breaches · showing 625–636

Breach date
Affected accounts

Breach list

  • Affected26.6 Thousand

    University of St. Thomas-Houston Data Breach

    The University of St. Thomas-Houston 2025 data breach involved unauthorized access to certain university systems from July 25 through August 12, 2025, during…

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

    Education

  • Affected216 Thousand

    Harbor Ohio Data Breach

    The 2025 Harbor Ohio data breach involved unauthorized access to the mental-health provider's computer network between July 25 and August 1, 2025.

    • Special-category data:Health insurance information
    • 10 more data types

    Healthcare

  • Affected22.9 Thousand

    Hello Cake Data Breach

    The 2025 Hello Cake data incident involved a single file used for prescription-order telehealth consultations that inherited an incorrect access setting during a cloud…

    • Special-category data:Prescribed medication names
    • 3 more data types

    Sexual Wellness / Healthcare Products

  • Affected266.2 Thousand

    Radiology Associates of Richmond (2025) Data Breach

    The Radiology Associates of Richmond (2025) data breach is related to an unauthorized access incident that occurred around July 25, 2025 on the Virginia-based radiology…

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

    Healthcare

  • Affected123.2 Thousand

    American Lending Center Data Breach

    American Lending Center is a US-based non-bank lender focused on government-backed small-business financing.

    • Special-category data:Medical information
    • Names
    • 5 more data types
    • 6 more data types

    Finance

  • Affected22.8 Thousand

    Bellflower USD 2025 Data Breach

    The 2025 Bellflower Unified School District data breach involved unauthorized activity affecting the district's on-premises servers.

    • Names
    • Social security numbers
    • 1 more data type

    Education

  • Affected97.2 Thousand

    Survival Flight 2025 Data Breach

    The Survival Flight 2025 data breach was a cybersecurity incident affecting the emergency air-medical transportation provider's information technology systems…

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

    Healthcare

  • Affected1.1 Million

    Allianz Life Data Incident (2025)

    The 2025 Allianz Life data incident is associated with a third-party platform used by US operations and reported as 1,115,061 records with a structured date of July 16…

    • Dates of birth
    • Email addresses
    • 4 more data types
    • 5 more data types

    Insurance

  • Affected1.6 Thousand

    Delta Medical Systems 2025 Data Breach

    The 2025 Delta Medical Systems data breach involved information in the organization's email environment that may have been viewed or acquired without authorization.

    • Names
    • Dates of birth
    • 2 more data types

    Healthcare

  • Affected6.1 Thousand

    NIUS Data Security Incident

    German news outlet and digital portal NIUS experienced a data security breach in July 2025 impacting subscriber and order processing archives.

    • Bank account numbers
    • 5 more data types

    Media & News

  • AffectedNot disclosed

    Coriolis Telecom 2025 Dataset Exposure

    The Coriolis Telecom dataset exposure is associated with a report that a threat actor offered a dataset claimed to belong to Coriolis Telecom customers on 11 July 2025.

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

    Telecommunications

  • Affected337.9 Thousand

    Cookeville Regional Medical Center Data Breach

    The 2025 Cookeville Regional Medical Center data breach was a ransomware incident in which an unauthorized party accessed the Tennessee healthcare provider's network…

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

    Healthcare

All Breaches (A–Z) →