Sony Life: break-in at its Customer Web Service and other systems leaked about 385,000 records of Medicare Life policies it sold as an agent

1. 2026-10-27

   The company found that a third party had broken into systems including the policyholder site. [2] [3]

2. 2026-10-28 08:00

   The Customer Web Service, the Sony Life app, the direct claim service and others were stopped for emergency maintenance, and outside access to the systems involved was blocked. [3]

3. 2026-10-28 20:48

   Public disclosure; the Financial Services Agency had been informed. [1] [3]

About 385,000 records of policyholders and insured people of Medicare Life policies that Sony Life sold as an insurance agent leaked, with names, birth dates, genders, addresses, phone numbers, policy numbers and policy details. [2] [3]

No My Number, card or premium payment account data was included. No misuse had been found at the time of disclosure. The cause is under investigation, and there is no date yet for the services to return. [2] [3]

Affected customers will be contacted in turn. Claims are handled by phone through agents and the customer center. The company warns about emails, SMS and calls posing as Sony Life and says it never asks for passwords or one-time passwords. [2] [3]