SoftBank CISO Iida says sovereign AI push aims to keep customer data within Japan

• SoftBank management flagged rising concern over AI-driven data leaks, citing limited traceability once sensitive information is entered into external AI systems.
• Security strategy centers on tightly controlled enterprise AI for internal use, aiming to keep customer and corporate data protected.
• Heavy investment outlined in Japan-developed generative AI to process data within Japan, supporting a “Sovereign AI” approach.
• Management warned new risks from multimodal, agentic, physical AI, citing potential for autonomous transactions, real-world accidents, physical harm.
• Governance priorities include transparency on AI use, accountability, broader AI literacy via an initiative encouraging employees to build 100 AI agents.

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