"In light of LabCorp's history of information security challenges, the company has both the knowledge and responsibility to heighten information security standards and processes to better protect the patients it serves", Menendez and Booker said.
According to company estimates, approximately 422,600 BioReference patients had their information stored on the servers of American Medical Collection Agency, which was hacked beginning August 1, 2018.More news: VA launches new health care options under MISSION Act
Quest rivals LabCorp and Opko Health have subsequently reported being affected by the same breach, bringing the total number of impacted patients to upwards of 20 million.
BioReference's announcements comes after testing giants Quest and LabCorp announced they too were customers of AMCA, with potentially millions of patients affected by the breach. He noted that contractors like AMCA were frequent targets for cyber attacks.
"Given the deluge in recent years of data breaches exposing personal, medical and financial information, every American should assume the security of that information has been compromised", said Rob Douglas, national identity theft and fraud expert. "Since we became aware of the AMCA data security incident, we have discontinued the submission of requests to AMCA".More news: Check those tickets - winning numbers for Friday’s $530 million Mega Millions jackpot
LabCorp said it had been affected by the same third-party data breach that affected Quest Diagnostics. Social Security numbers and credit card information have also been compromised in certain cases.
ACMA said in a statement that it investigated an incident of data connecting an unauthorized user had access to its system.
"Incidents such as with Quest Diagnostics and LabCorp should act as a warning to every company - now more than ever, systems should be built secure by design, with a rigorous system of protection and prevention that is regularly tested in place".More news: End of May, Britain’s PM Steps Down as Conservative Leader
According to its website, AMCA is the "leading recovery agency for patient collection" and it is "managing over $1BN in annual receivables for a diverse client base", servicing "laboratories, hospitals, physician groups, billing services, and medical providers all across the country".