Source disclosure: February 24, 2026
BroadBand Tower,Inc. [3776.T]
TOKYO, Feb 24 (Pulse News Wire) – Broadband Tower,inc. (3776.T) reported today that a recent cybersecurity incident affecting its c9 Flex service servers had limited impact.
The unauthorized access was detected on December 5, 2025, and involved six specific virtual servers. An investigation confirmed data deletion on those servers but found no evidence of broader system compromise or significant data leakage beyond the affected range. The company implemented several measures, including isolating and shutting down impacted servers, changing passwords, enhancing monitoring systems, and restricting internet communications.
It also conducted a comprehensive review of internal security protocols and network configurations. As of December 8, 2025, no additional unauthorized access attempts were detected. In response to the findings, BroadBand Tower stated that while there is currently no anticipated major impact on consolidated operating profit, ongoing assessments will continue.
The firm emphasized its commitment to strengthening overall security posture and preventing future incidents through continuous collaboration with external security firms.
AI-translated content. 🟢 Confidence: High See terms • Original filing