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
1,813
Verified

2,376 breaches · showing 193–204

Breach date
Affected accounts

Breach list

  • Affected711.1 Thousand

    Abrigo Business Contact Data Incident (2026)

    The 2026 Abrigo business-contact data incident is a dataset a public breach source catalogues with a structured date of April 14, 2026, and 711,099 unique emails.

    • Email addresses
    • Employers
    • Job titles
    • 3 more data types
    • 5 more data types

    Financial Technology

  • AffectedNot disclosed

    Santa Monica College Data Breach

    The 2026 Santa Monica College data breach occurred when employee W‑2 tax forms were emailed to two former student workers.

    • Names
    • Social security numbers
    • 1 more data type

    Education

  • AffectedNot disclosed

    Basic-Fit 2026 Data Incident

    The 2026 Basic-Fit data incident involved the company detecting unauthorized access on April 13, 2026 to a system used to record member visits.

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

    Health and Fitness

  • Affected3.8 Million

    Medtronic 2026 Data Breach

    The Medtronic 2026 data breach is a large-scale security incident in which the personal and health-related information of individuals associated with medical technology…

    • Special-category data:Health information
    • Names
    • 3 more data types
    • 4 more data types

    Healthcare technology

  • Affected84.3 Thousand

    Mytheresa 2026 Data Breach

    The Mytheresa data breach is a verified security incident dated April 12, 2026, related to customer data of the Germany-based luxury fashion e-commerce brand.

    • Email addresses
    • Names
    • 5 more data types

    Luxury Fashion E-commerce

  • Affected1.8 Million

    Marcus & Millichap 2026 Data Breach

    The Marcus & Millichap data breach is a high-risk corporate communications leak in April 2026 that affected approximately 1,837,078 unique email addresses as a result…

    • Email addresses
    • Employers
    • Job titles
    • 3 more data types
    • 5 more data types

    Real Estate

  • Affected78 Million

    Rockstar Games (April 2026) Alleged Data Exposure

    On April 11, 2026, Rockstar Games confirmed that a limited amount of company information had been accessed in connection with a third-party breach.

    • Corporate information
    • 1 more data type

    GamingUnverified

  • AffectedNot disclosed

    Booking.com 2026 Data Breach

    The Booking.com 2026 data breach is a security incident in which the company confirmed that unauthorized third parties were able to access certain reservation…

    • Names
    • Email addresses
    • Phone numbers
    • 2 more data types
    • 3 more data types

    Travel

  • AffectedAt least 763

    Advantive Data Breach

    The 2026 Advantive data breach was linked to suspicious activity discovered in the company's eComm-ONE ecommerce software on April 10, 2026.

    • Names
    • Payment card information
    • 1 more data type

    Technology

  • Affected7.5 Million

    Carnival Corporation 2026 Data Breach

    The Carnival Corporation 2026 data breach is an unauthorized access incident that occurred in April 2026 on the systems of Carnival Corporation, which provides cruise…

    • Names
    • Physical addresses
    • 6 more data types
    • 7 more data types

    Travel

  • Affected13.5 Million

    McGraw Hill 2026 Data Breach

    The McGraw Hill data breach is a verified incident dated 10 April 2026 involving 13,500,136 unique email addresses.

    • Email addresses
    • Names
    • Phone numbers
    • 1 more data type
    • 2 more data types

    Education

  • AffectedNot disclosed

    All About Women’s Care Data Breach (2026)

    The 2026 All About Women’s Care data breach is the event in which the organization identified unusual activity in an employee VPN account on April 9, 2026, and confirmed…

    • Special-category data:Clinical information
    • 13 more data types

    Healthcare

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