MADISON, N.J., Dec. 12, 2016 /PRNewswire/ -- Quest Diagnostics Incorporated (NYSE: DGX) announced today that it is investigating an unauthorized third-party intrusion into an internet application on its network.  The company provided notice to individuals whose accounts have been affected. 

On November 26, 2016 an unauthorized third party accessed the MyQuest by Care360® internet application and obtained Protected Health Information (PHI) of approximately 34,000 individuals. 

The accessed data included name, date of birth, lab results, and in some instances, telephone numbers. The information did not include Social Security numbers, credit card information, insurance or other financial information.  There is no indication that individuals' information has been misused in any way. 

When Quest Diagnostics discovered the intrusion, it immediately addressed the vulnerability.  Quest is taking steps to prevent similar incidents from happening in the future, and is working with a leading cybersecurity firm to assist in investigating and further evaluating the company's systems.  The investigation is ongoing and the unauthorized intrusion has been reported to law enforcement.   

Quest Diagnostics has notified affected individuals via mail and established a dedicated toll-free number to call with questions regarding this incident.  The number is (888) 320-9970, and can be reached Monday through Friday between 9:00 a.m. and 7:00 p.m. Eastern Time. 

About Quest Diagnostics

Quest Diagnostics empowers people to take action to improve health outcomes.  Derived from the world's largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management.  Quest annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our 43,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives. www.QuestDiagnostics.com.

Quest Diagnostics Contacts:
Dennis Moynihan, Quest Diagnostics (Media): 973-520-2800
Shawn Bevec, Quest Diagnostics (Investors): 973-520-2900

SOURCE Quest Diagnostics Incorporated