Patterson Dental, River Arch Dental, Hamner Square Dental

Under Review: 
No Review
Date Breach Made Public: 
July 17, 2012
Ontario , CA
United States
Records Breached: 


Breach Total Number: 
3 645
California Attorney General
Year of Breach: 
Type of organization: 
Type of breach: 

An unencrypted USB memory chip was shipped against company policy.  The envelope that contained it arrived at its destination on May 14 with a tear and missing the USB memory chip.  Names, home addresses, telephone numbers, email addresses, ID numbers, dates of birth, driver's license numbers, Social Security numbers, dental information, and dental insurance information of patients was exposed.

UPDATE (08/03/2012): A total of 1,112 Hamner Square Dental patients and 2,533 River Arch Dental patients were affected.