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Organisation

株式会社ホスピタルサービス

Profile

Primary URL
www[.]hps-mds[.]jp
Location
Japan
Sector
Healthcare
Known incidents
1 incident
Updated
2026-10-01 05:56
Aliases
2 aliases

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Profile narrative

株式会社ホスピタルサービス, also known as HPS Hospital Service Co., is a medical services company.
The organization’s headquarters is located in Japan.

On May 15, 2025, the company identified a ransomware infection on its network.
The infection was discovered after detecting external unauthorized access.
In response, the organization isolated the affected servers from the network to prevent further spread.
External cybersecurity specialists were engaged to support the recovery effort.
The company also coordinated with investigative authorities regarding the incident.
These actions were taken to contain the threat and begin remediation.

Order processing and logistics operations are progressively returning to normal.
At the time of public disclosure, no evidence of personal data leakage had been confirmed.
Investigations into potential personal information exposure remained ongoing.
The incident was disclosed via the company’s news release at https://www.hps-mds.jp/news/1297/.
A cybersecurity news outlet also reported the event at https://cybersecurity-jp.com/news/110091/.
The organization continues to monitor its systems as recovery work proceeds.
The ransomware incident highlights risks associated with ransomware attacks on healthcare‑related organizations.
The company implemented network segmentation to limit the ransomware’s lateral movement.
The ongoing investigation aims to determine whether any personal data was compromised.
The organization has not reported any disruption to core medical services beyond the affected order processing and logistics functions.

Incidents

1 incident linked to this organisation.

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