Japan issues administrative guidance to NTT Docomo over data leak
( November 6, 2026, 10:04 GMT | Official Statement) -- MLex Summary: Major Japanese mobile operator NTT Docomo received administrative guidance on Friday from Japan's Ministry of Internal Affairs and Communications after sharing phone numbers and user identifiers of 344,213 subscribers with Amazon Japan without obtaining valid consent, in violation of the Telecommunications Business Act. The ministry said in a written notice that the unauthorized data sharing continued for about four months and instructed the company to report on measures to prevent similar incidents by the end of December.Statement is attached (in Japanese)....
Prepare for tomorrow’s regulatory change, today
MLex identifies risk to business wherever it emerges, with specialist reporters across the globe providing exclusive news and deep-dive analysis on the proposals, probes, enforcement actions and rulings that matter to your organization and clients, now and in the longer term.
Know what others in the room don’t, with features including:
- Daily newsletters for Antitrust, M&A, Trade, Data Privacy & Security, Technology, AI and more
- Custom alerts on specific filters including geographies, industries, topics and companies to suit your practice needs
- Predictive analysis from expert journalists across North America, the UK and Europe, Latin America and Asia-Pacific
- Curated case files bringing together news, analysis and source documents in a single timeline
Experience MLex today with a 14-day free trial.