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Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

BORN Ontario

Disclosed Sep 25, 20233,400,000 affectedUnverified

MOVEit breach exposes perinatal and child registry data of 3.4 million

The Better Outcomes Registry and Network, Ontario's perinatal and child registry, said attackers copied files from its MOVEit server containing data on about 3.4 million people, mainly newborns and pregnancy care patients seen between 2010 and 2023.

What is known

People affected3,400,000 (as reported by the organization)
DisclosedSep 25, 2023
DiscoveredMay 31, 2023
AttackSupply chain
Data exposedNamesAddressesDates of birthGovernment IDsHealthChildren's data
SectorHealthcare · CA
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Part ofMoveit (2023)

Sources

Newstechcrunch.com
Decade of newborn child registry data stolen in MOVEit mass-hack
Newsbleepingcomputer.com
BORN Ontario child registry data breach affects 3.4 million people

Notices filed

TotalSep 25, 2023
Research3,400,000 people

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History of this record
Added2026-09-25
First recordedby seedSource

First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.

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