Limitless Expertise Methods is notifying over 3.8 million people that their private info was stolen in a knowledge breach.
Primarily based in Montgomery, Ohio, Limitless offers superior monetary and income cycle know-how to healthcare suppliers and organizations. It claims to be working with greater than 4,500 oncology places of work and over 6,500 specialty suppliers.
The incident, it says, was found in October 2025 and concerned certainly one of its business knowledge facilities. The corporate’s investigation decided that hackers stole sure knowledge from its techniques between October 5 and October 10, 2025.
The stolen knowledge, Limitless notes in a notification letter to the affected people, a duplicate of which was submitted (PDF) to the Iowa Lawyer Basic’s Workplace, contains private, medical, and medical insurance info.
The hackers stole names, addresses, cellphone numbers, e-mail addresses, Social Safety numbers, medical report numbers, diagnoses, dates of service, insurance coverage coverage numbers, claims/advantages info, and scanned paperwork (equivalent to driver’s licenses and authorities IDs).
“The info concerned within the incident doesn’t embody full affected person medical data, medical imaging, or monetary info, equivalent to bank card or checking account info,” Limitless stated.
The corporate additionally notes that it’s not conscious of any tried or precise misuse of the knowledge compromised within the knowledge breach.
In late July, the corporate notified the US Division of Well being and Human Companies (HHS) that 3,803,750 individuals had been affected. The HHS added Limitless to its breach portal on August 6.
The corporate is offering the affected individuals with two years of free credit score monitoring, fraud session, and id theft restoration companies.
Limitless has not named the risk actor chargeable for the assault, and SecurityWeek has not seen any recognized extortion or ransomware teams claiming it.
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