Nearly 12 million customers affected by data breach, Quest Diagnostics says

istock_060319_questdiagnosticsdata

PredragImages/iStock (FILE photo)(NEW YORK) — Nearly 12 million customers of one of the nation’s biggest blood testing providers may have had their personal information compromised in a cyberattack, Quest Diagnostics officials said Monday in a regulatory filing.

A billing collections vendor notified Quest Diagnostics of the discovery of “unauthorized activity” on its online payment page.

According to a Securities and Exchange Commission filing known as an 8-K, the vendor, American Medical Collection Agency, told Quest that hackers had access to its system from August 1, 2018 to March 20, 2019.

In that time, credit card numbers, bank account information, medical information and other personal data of 11.9 million people was potentially exposed.

AMCA officials said they notified law enforcement of the breach.

“Quest Diagnostics takes this matter very seriously and is committed to the privacy and security of patients’ personal, medical and financial information,” Quest representatives said in its filing.

Quest is one of the world’s leading medical diagnostic companies, with 2018 revenues of $7.5 billion. Headquartered in Secaucus, N.J., it has 45,000 employees worldwide.

Copyright © 2019, ABC Radio. All rights reserved.

getty_donald-trump-11-gty-gmh-260220_1771615313249_hpmain252033

Trump’s 10% global tariff takes effect

President Donald Trump speaks during a press conference in the Brady Press Briefing Room of the White House in Washington, February 20, 2026. (Aaron Schwartz/Getty Images) (NEW YORK) — A 10% global tariff took effect on Tuesday,

gettyrf_8222_wallstreetflags202812920281292028129505105

Stocks tick lower after Trump ratchets up tariffs

Photo of Wall Street (Matteo Colombo/Getty Images) (NEW YORK) — Stocks slid on Monday morning in the first trading session since President Donald Trump announced a new 15% tariff on most imported goods, intensifying his effort to