Security · Updated 23 Oct, 10:10 pm IST
Quest Diagnostics says patient records exposed after Quanum LSM breach
Why it matters for readers: It explains how patient test portals can be targeted and why companies notify regulators after breaches.
- Quest Diagnostics learned of unauthorized access to its Quanum LSM platform on October 21, 2026, and activated its incident response protocol.1
- The company believes some patient records were exposed but is still investigating the nature and scope and which types of data were affected.1
- Quest disclosed the incident in an SEC filing and posted an alert on its website.1
- Quanum LSM is used by physicians, hospital personnel, and medical office staff to place test orders and access results.1
- Quest Diagnostics operates about 7,700 sites in North America, employs 65,000 people, and reported more than $11 billion in annual revenue.1
Get a brief like this every morning
Uzha reads hundreds of sources and gives you the stories that matter for your work, with every source linked. Free.
Get started