Case Study: JR Tokai Information Systems Company (JTIS) achieves proactive protection of Shinkansen critical infrastructure with Mandiant Expertise On Demand

Japanese Information Systems Organization Uses Proactive Services To Protect Infrastructure

JR Tokai Information Systems Company (JTIS), the systems integrator that develops and maintains critical operational and reservation systems for JR Tokai’s Shinkansen and regional lines, needed an objective, expert assessment of its cyber defenses—especially ahead of an international sporting event—and wanted capabilities beyond traditional penetration testing. JTIS engaged Mandiant and adopted Mandiant Expertise On Demand (including a Mandiant Tabletop Exercise) to evaluate incident response, threat awareness, and readiness for attacks targeting critical infrastructure.

Mandiant delivered a day‑long, realistic tabletop exercise simulating an international event, provided prioritized remediation recommendations, and supplied customized threat-intelligence reports and on-demand expertise via a flexible annual subscription. As a result, JTIS immediately addressed high‑priority gaps, gained actionable daily reporting during incidents, and strengthened staff readiness and incident-response procedures—outcomes Mandiant says have dramatically improved JTIS’s overall security posture.

JTIS

Katsutaka Ishikawa

General Manager of Nagoya Core Systems Division