INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).
Capcom Experiences Data Breach Impacting 11 Million Users Worldwide
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2026-10-23 08:34
HIGH
LOW
DATA BREACH
Executive Summary
AI-generated
On October 19, a data breach was discovered at Capcom, impacting approximately 11 million email addresses and the personal information of around 43 individuals. The hackers gained unauthorized access to CAPCOM ID, stealing email addresses along with account data such as creation date, last login date, number of logins, and IP address. For some customers, this included dates of birth, gender information, country/region details, and nicknames. Capcom has reported the breach to relevant authorities and continues to investigate it, while also resetting passwords for affected users and implementing incident response measures. The company warns affected users about unsolicited emails with suspicious URLs or attachments, emphasizing its commitment to strengthening its information security system.
Technical Mitigations AI-generated
• Block suspicious URLs and attachments in email messages impersonating Capcom or related entities.
• Implement CAPCOM ID account password reset measures for affected users, using a secure method such as a one-time password (OTP) sent via SMS or authenticator app.
• Monitor IP addresses associated with the breach to detect potential future attacks.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
Target & Sectors
JP
Incident Timeline
October 19
Threat actors used unauthorized access to exploit vulnerabilities in CAPCOM ID's shared service, resulting in the breach.
Click on any entity below to view its context and source!
organisation
CAPCOM ID
The incident, the gaming giant says, was discovered on October 19 and involved unauthorized access to CAPCOM ID, its shared service used for accessing online services and for playing online games.
2026/10/23
Threat actors stole the email addresses of 11,774,247 people along with account data from Capcom's systems.
Click on any entity below to view its context and source!
organisation
Capcom Data Breach
11 Million Impacted by Capcom Data Breach.
organisation
Capcom
Japanese gaming company Capcom has disclosed a data breach impacting 11 million email addresses and the personal information of a small number of individuals.
Additionally, Capcom determined that the attackers changed the CAPCOM ID account passwords for 196 of the affected users.
organisation
Medi-Cal Members Affected
Related:
Hackers Steal 1.8 Million Records From Nikkei
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970,000 Medi-Cal Members Affected by Paradigm Healthcare Data Breach
Related:
PHP2Shell Exploitation Started Days Before Patches
Related:
Tech and Security Companies Respond to PHP2Shell Vulnerabilities
organisation
Paradigm Healthcare Data Breach
Related:
Hackers Steal 1.8 Million Records From Nikkei
Related:
970,000 Medi-Cal Members Affected by Paradigm Healthcare Data Breach
Related:
PHP2Shell Exploitation Started Days Before Patches
Related:
Tech and Security Companies Respond to PHP2Shell Vulnerabilities
data_breach
1.8 Records
Related:
Hackers Steal 1.8 Million Records From Nikkei
Related:
970,000 Medi-Cal Members Affected by Paradigm Healthcare Data Breach
Related:
PHP2Shell Exploitation Started Days Before Patches
Related:
Tech and Security Companies Respond to PHP2Shell Vulnerabilities
data_breach
970,000 Cal Members
Related:
Hackers Steal 1.8 Million Records From Nikkei
Related:
970,000 Medi-Cal Members Affected by Paradigm Healthcare Data Breach
Related:
PHP2Shell Exploitation Started Days Before Patches
Related:
Tech and Security Companies Respond to PHP2Shell Vulnerabilities
Tactical Metrics
Metrics
data_breach
1,800,000
Records
Click for context!
Related:
Hackers Steal 1.8 Million Records From Nikkei
Related:
970,000 Medi-Cal Members Affected by Paradigm Healthcare Data Breach
Related:
PHP2Shell Exploitation Started Days Before Patches
Related:
Tech and Security Companies Respond to PHP2Shell Vulnerabilities
Metrics
data_breach
970,000
Cal Members
Related:
Hackers Steal 1.8 Million Records From Nikkei
Related:
970,000 Medi-Cal Members Affected by Paradigm Healthcare Data Breach
Related:
PHP2Shell Exploitation Started Days Before Patches
Related:
Tech and Security Companies Respond to PHP2Shell Vulnerabilities
Intelligence Sources
SecurityWeek
2026-10-23
11 Million Impacted by Capcom Data Breach
SecurityWeek
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Incident Version History
CURRENT VERSION
Last Updated: 2026-10-23T11:14
Comprehensive Tactical Telemetry
Highly Correlated Entities
5x
organisation
Identified Entity
Capcom Data Breach
entity
Contextual Telemetry
Context Block
8 METRICS
tactic
Cyber Operation Type
Data Breach
tactic
target region
Target Country
Japan
country
general metric
Email Addresses
11,000,000
email addresses
tactic
MITRE ATT&CK Technique
T1588.006 - Vulnerabilities
technique
data breach
Records
1,800,000
records
data breach
Cal Members
970,000
cal members
timeline
Temporal Reference
October 19
date
general metric
People
11,774,247
people
Click on any entity below to view its context in the main text!
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