All Breaches
May 31, 2023 Verified Sensitive Record Healthcare / Maternal, Child and Youth Registry

BORN Ontario Data Breach

In May 2023, Better Outcomes Registry & Network (BORN Ontario), the provincial maternal, infant, and child health organization in Canada, was compromised via the widespread MOVEit Transfer vulnerability.

3.4 Million
Reported Records
7
Data Types
Critical
Severity
Oct 20, 2026
Last updated

Protect Yourself

Check whether you were affected by this breach

Check my email

Exposed Data Types

4 sensitive7
  • Health card numbers
  • Maternal and child health records
  • Laboratory results
  • Clinical care notes
  • Names
  • Dates of birth
  • Physical addresses

Breach Details

Company NameBetter Outcomes Registry & Network (BORN) Ontario
SectorHealthcare / Maternal, Child and Youth Registry
CountryCanada
Websitebornontario.ca
Breach DateMay 31, 2023
Sourcenewswire.ca(opens in a new tab)ipc.on.ca(opens in a new tab)
Last updatedOctober 20, 2026

Protect Yourself

Check whether you were affected by this breach

Check my email

About This Breach

The breach exposed health card numbers, lab results, and developmental health records for approximately 3.4 million mothers and children born between 2010 and 2023.

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

Report missing or incorrect information

Similar Breaches