カプコン（CAPCOM ID）Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- October 22, 2026
- Severity
- SCompromise of deep personal data or usable credentials.
- Scale
- 11,774,247 records
- Main impact
- Due to unauthorized third-party access to the membership service "CAPCOM ID" used for online games, 11,774,247 user records worldwide were disclosed (email addresses, login timestamps, date of birth, gender, country, region, nicknames and other profile information, and system-specific identifiers). Of these, 43 records contain some profile information such as date of birth, unauthorized password changes were confirmed on approximately 196 accounts, credit card information was not included, and on October 19 they found signs of suspected unauthorized access, immediately blocked access and began an investigation; they warned that leaked email addresses may receive phishing messages disguised as fake password change notifications.
- Information involved
- Email addressUser / member IDDate of birth
- Cause / key point
- Unauthorized third-party access to "CAPCOM ID"About Targeted email & phishing
- Industry
- Media & entertainment
- Listing / capital
- Listed company東証プライム 9697.T
- Last updated
- October 23, 2026
Stock price reaction to the disclosureカプコン（CAPCOM ID） / 東証プライム 9697.T
Stock information is reference data based on Yahoo Finance and may be delayed. This site does not solicit or advise investment and does not guarantee the accuracy or completeness of this information. We accept no liability for any investment decision based on it.
Where to go for this information
The steps themselves are on the protection guide. These links match the kinds of data in this incident, plus support contacts.
Is this incident worth paying attention to?
Written & reviewed
Reviewed byYutaro SasaoFounder & CEO, MediaLeap Inc.
CEO of MediaLeap Inc. Working on both sides of web advertising and web media since 2013; founded the company in May 2025.
Review scope: cross-checking against primary sources (official and government announcements), verifying claims stay within the facts, and checking source attribution。Last reviewed:
Written by:Leak Watch editorial team (AI-assisted drafts verified against sources by the editorial team) · Reviewer profile · Request a correction
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Attack method classification: Targeted email & phishing(Fake emails and sites that steal credentials)
Read the Targeted email & phishing guide and national trends →