Date of Breach: November 7, 2025
Who was affected:
Clients of Merck Sharp & Dohme
Impacted Data:
Full name
Financial account information
Who was affected:
Impacted Data:
Full name
Financial account information
Who was affected:
Impacted Data:
Full name
Address
Social Security Number (SSN)
Financial information
Other sensitive details
Who was affected:
Impacted Data:
Address
Social Security Number (SSN)
Date of birth
Financial information (if applicable)
Health records (if applicable)
Who was affected:
Impacted Data:
Full name
Medical treatment or diagnosis information
Physician name
Medical record number
Who was affected:
Impacted Data:
Full name
Social Security number (SSN)
Who was affected:
Impacted Data:
Full name
Contact information
Date of birth
Social Security number
Driver’s license or state-issued ID number
Passport or government-issued ID number
Medical history and diagnosis information
Treatment details
Health insurance data
Who was affected:
Impacted Data:
Full name
Who was affected:
Impacted Data:
Full name
Other sensitive personal information
Who was affected:
Impacted Data:
Full name
Social Security number
Other sensitive personal or identifying information