Sagawa: unauthorized logins to Smart Club

From 17:22 on 15 October to 12:00 on 16 October, IDs and passwords apparently obtained by a third party were used to log in to Smart Club accounts. The attacking IP addresses were blocked, possibly affected members were contacted, and two-step verification was made mandatory for My Page. No impact on servers or business systems, or leakage of card or bank information, was confirmed. No affected count was published.