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Hitachi Joins Anthropic’s Infrastructure Defense Initiative to Strengthen the Cyber Resilience of Power, Water, and Rail Systems

Hitachi announced that it has joined Anthropic’s Critical Infrastructure Defense Initiative, launched in October, as a founding partner. The two companies will combine advanced AI with operational expertise to strengthen the cyber resilience of power, water, and rail systems.

Transforming the Security Architecture of Critical Infrastructure

Critical infrastructure can rarely withstand prolonged downtime, making it difficult for maintenance teams to deploy software patches by shutting systems down. As AI technology advances, the time it takes for systems to be maliciously compromised has fallen sharply, posing a serious challenge to traditional defense strategies. Modern cybersecurity architectures are increasingly shifting toward the assumption that systems will inevitably be breached, with defenses focused on real-time detection and response.

Integrating Claude Models to Speed Up Vulnerability Detection and Remediation

Since establishing a strategic partnership with Anthropic in May 2026, Hitachi has participated in initiatives such as Glasswing, a collaborative program aimed at protecting the world’s most critical software and advancing cybersecurity practices. The program accelerates security validation and expands AI safety guardrails. The Critical Infrastructure Defense Initiative will integrate Anthropic’s Claude AI models into Hitachi’s cybersecurity systems to speed up vulnerability detection and remediation.

HMAX Cyber Combines Services from Anthropic, OpenAI, and Google

In September, Hitachi launched HMAX Cyber, an operational resilience service and part of its next-generation HMAX solutions. The service combines technology from Anthropic, OpenAI, and Google Cloud with Hitachi’s accumulated security expertise in the rail and energy sectors, offering support across three areas: governance, identification, and recovery management. Hitachi Rail has already adopted an Agentic Security Operations Center developed in collaboration with Google Cloud, introducing the solution to enable autonomous threat response.

Key Takeaways

Hitachi has become a founding partner in Anthropic’s Critical Infrastructure Defense Initiative, working to enhance cybersecurity and system resilience.
Infrastructure systems cannot withstand prolonged downtime, and AI has shortened the time available to respond to vulnerability attacks, prompting a shift toward security architectures that assume systems will be breached.
Hitachi will integrate Claude AI models into cybersecurity products to accelerate real-time vulnerability detection and security patching.
Hitachi launched HMAX Cyber, which combines the technologies of three global AI leaders with its industrial expertise to provide comprehensive technical support.
Hitachi Rail has adopted Google’s Agentic SOC, using operational experience to improve autonomous threat response.

This article, “Hitachi Joins Anthropic’s Infrastructure Defense Initiative to Strengthen the Cyber Resilience of Power, Water, and Rail Systems,” originally appeared at .