INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).

NTT Docomo Confirms NTP Poisoning Attack on Japan Network

| 2026-10-27 13:21 HIGH LOW DATA BREACH
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Executive Summary
AI-generated
On October 27, 2026, Japan - NTT Docomo confirmed a third-party data breach affecting approximately 443,495 customers of its Docomo Hikari “plala (S Course)” service. The identified entity behind the incident is Japan - NTT Docomo NTT Docomo itself. This cyber operation type is classified as a Data Breach. As a result, 443,495 customers were impacted by this breach.
Technical Mitigations AI-generated
• Patch NTT Docomo's Docomo Hikari “plala (S Course)” service to address the vulnerability. • Monitor for suspicious activity related to the breach, using techniques such as network traffic analysis and log monitoring. • Block or hunt for IP addresses associated with the compromised data.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
Target & Sectors
JP
Incident Timeline
‎2026/10/27
Threat actors used an unspecified method to breach NTT Docomo's "plala (S Course)" service, affecting 443,495 customers.
organisation Japan - NTT Docomo NTT Docomo
Japan - NTT Docomo NTT Docomo confirmed a t.... Cyber Alert !!
organisation NTT Docomo
Japan - NTT Docomo NTT Docomo confirmed a third-party data breach affecting 443,495 customers of its Docomo Hikari “plala (S Course)” service.
victims 443,495 customers
Japan - NTT Docomo NTT Docomo confirmed a third-party data breach affecting 443,495 customers of its Docomo Hikari “plala (S Course)” service.
Tactical Metrics
Metrics
victims
443,495
Customers
Japan - NTT Docomo NTT Docomo confirmed a third-party data breach affecting 443,495 customers of its Docomo Hikari “plala (S Course)” service.
Intelligence Sources
Bluesky Hackmanac 2026-10-27