This is an update to our notice of October 31, 2026, "Notice Regarding Our Response to a Security Issue," and describes the facts we have confirmed so far and the actions we are taking. We are handling this matter separately from the security issue we announced on October 22, 2026. (As of 1:00 a.m. EST, November 1, 2026)

1. Overview
On October 31, 2026, we confirmed that a third party gained unauthorized access to some of the systems we operate. We are prioritizing measures to prevent further damage while investigating the scope of the impact.

2. Current Impact and Status of Investigation
(1) Points and Rewards
We have confirmed that a third party performed unauthorized operations on our systems related to points and rewards. As a precaution, we have temporarily suspended point redemptions. We are investigating whether any user accounts have been affected.

(2) Advertising
Ad delivery is continuing at this time. We are investigating the impact on advertising-related systems and information.

3. Impact on Our Service
As a precaution, we have temporarily suspended or restricted some SmartNews features. As a result, personalization, push notifications, and some rewards are currently unavailable. The service may also be intermittently unavailable while we carry out this work.

4. Our Response
After identifying the unauthorized access, we took the affected systems offline and are revoking and rotating credentials.

5. Request to Our Users
If you notice any unexpected changes to the points or rewards activity in your account, please contact us using the link below.

6. Contact
SmartNews Help Center
https://support.smartnews.com/hc/ja/requests/new?ticket_form_id=360000080441