Saison Automobile and Fire Insurance: its policyholder page My Page suffered unauthorized logins on about 10,000 user IDs, and customer information may have been viewed

1. 2021-05-24

   From this day, My Page was accessed without authorization and user IDs began to be logged into. [1]

2. 2021-06-01

   The unauthorized access continued until June 1. A large number of login attempts were detected and an investigation found that about 10,000 user IDs were affected. An emergency maintenance session ran for about half a day from 19:30, during which contracts could not be made. [1]

3. 2021-06-03

   It announced the case. [2]

It locked the passwords of the accounts logged into without authorization, contacted the customers concerned to explain and apologize, and asked them to change their passwords. It blocked communication from the source of the access. Because customer information may have been viewed by a third party, it is investigating the extent of the impact. It did not disclose the number of attempts or the cause of the unauthorized logins. [1] [2]