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Quest Diagnostics takes lab portal offline after unauthorized access
The Record reports Quest Diagnostics paused Quanum Lab Services Manager after finding unauthorized access and said it believes some patient data in that system was reached.
Quest Diagnostics took a key lab-ordering system offline Thursday after finding unauthorized access and said it believes some patient data in that system was reached, The Record reported Friday1.
The platform, Quanum Lab Services Manager, is used to place test orders and to receive and look up results1. Access was paused while Quest investigates, according to a company statement and FAQ cited by the outlet1.
Quest said no other part of the company was affected by the attack, though several other systems were paused during the investigation1. It said it is working with law enforcement and is still determining what patient data was involved1.
Customers can use paper requisitions instead of the portal1. Quest pledged to have Quanum back by Friday, The Record said1. A company spokesperson declined to describe the nature of the incident beyond the written notice1.
Quest said the incident did not involve recent PHP vulnerabilities that have drawn security attention this week1. No hacking group had claimed the attack as of Thursday afternoon, according to the report1.
The New Jersey-based laboratory company reported more than $11 billion in revenue last year and says it serves half of U.S. doctors and hospitals and about one in three American adults each year, The Record wrote1. The outlet noted other 2026 incidents at testing and health-record firms, including a Baylor Genetics breach the company said affected more than 2.8 million patients1. Those cases are separate from Quest's notice1.