Published: Sat, June 08, 2019
Medical | By

Quest Diagnostics Hit With Suit Over 11.9M Client Data Breach

Quest Diagnostics Hit With Suit Over 11.9M Client Data Breach

The leaked data includes names, birth dates, addresses, phone numbers, financial information and medial information.

"Quest is taking this matter very seriously and is committed to the privacy and security of our patients' personal information", the Secaucus-based medical laboratory company said in a press release.

According to a filing with the U.S. Securities and Exchange Commission, LabCorp. said it discovered the breach at a third-party billing collections firm, the American Medical Collection Agency (AMCA), between August 1, 2018, and March 30, 2019. AMCA has not yet provided BioReference a list of the affected patients or more specific information about them, Bioreference said.

Opko Health learned June 6 that 422,600 patients may have had their data exposed in the breach.

"AMCA's affected system also included credit card or bank account information that was provided by the consumer to AMCA", read the filing.

Earlier this week, rivals Quest Diagnostics Inc and Laboratory Corporation of America Holdings also announced that they were apprised of unauthorized access to their customer data stored on AMCA system.


"Such breaches make private, personal and financial information vulnerable to criminals, leading to potential identity theft and irreparable harm to their credit reports and financial futures", the senators wrote AMCA President Russell Fuchs.

Senators sought answers Friday from a collection agency blamed with a recently disclosed data breach affecting millions of patients of some the country's largest clinical labs. AMCA offers billing services for Optum360, a Quest contractor.

The incident is under the investigation performed by New York, Minnesota, North Carolina, and MI state attorneys. According to Beazley Breach Response, a breach response management and information security insurance solutions provider, the healthcare entities have reported the highest number of data breaches, at 41 percent.

Mr. Booker and Mr. Menendez sent a similar letter Wednesday to Stephen Rusckowski, Quest's chairman and president, as did Sen.

State attorneys general and other state agencies will also be notified by AMCA regarding the data breach "as required by applicable state data breach laws".

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