Report: Quest Diagnostics says 11.9 million customers possibly hit by breach

Adam Warner
June 03, 2019 - 9:14 am
Computer hacker



NEW YORK (1010 WINS) – Blood testing provider Quest Diagnostics warned Monday that 11.9 million patients may be affected by a data breach of its web payment system.

The company said a billing collections vendor it uses was hit by the breach last month.

The potentially compromised data includes credit card numbers and the bank account information of customers, The Wall Street Journal reported.

Quest outsourced its billing operations to Optum360 LLC, which contracted to American Medical Collection Agency, according to the Journal.

AMCA notified Quest about the breach of its system on May 14.

An unauthorized user gained access to AMCA's system between August 2018 and March 2019, the Journal reported.

Quests says laboratory results are not at risk because they weren’t given to AMCA.

Headquartered in Secaucus, New Jersey, Quest is one of the largest diagnostic providers in the U.S. According to the company’s site, its laboratories do everything from blood and fluid tests to tissue pathology.

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