Cyber Incident Victim: Dameron Hospital
Date:
Dec 2023
Location:
United States of America
Summary
A cyberattack impacted Dameron Hospital's network systems, prompting an investigation and the engagement of external cybersecurity experts. While core patient care operations, including the emergency department, continued functioning normally using established downtime protocols, some procedures were rescheduled to ensure continuity of care during the transition. The nonprofit community hospital secured its systems following the incident but did not disclose specific compromised systems or the attack's timing.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 1 motive | 1 technique |
| Threat Actors | Type | Location |
|---|---|---|
| 0 actors | Available to members | Available to members |
Description
Dameron Hospital in Stockton, California, a nonprofit community facility with over 200 beds serving San Joaquin County, experienced a cyberattack that disrupted certain network systems and forced the rescheduling of some patient procedures. The hospital publicly acknowledged the incident in a statement on December 1, 2023, describing it as a "data security incident" but did not specify when the attack initially occurred or identify which systems were compromised. Upon detection, the hospital's internal team immediately acted to investigate and secure affected systems while engaging external cybersecurity experts to assist with investigation and response efforts. Patient care operations continued functioning normally through established system downtime protocols, with the emergency department remaining fully operational throughout the incident. The transition to manual downtime processes temporarily disrupted scheduled services, requiring some non-emergency procedures to be rescheduled to ensure continuity of care standards.
The cyberattack's technical scope and intrusion methods remained undisclosed, with no confirmation whether patient data was accessed or exfiltrated during the breach. Dameron Hospital maintained healthcare service delivery using contingency plans while investigators worked to restore affected systems and assess the security compromise. No ransomware claims or threat actor attributions were referenced in the hospital's communications. The institution emphasized its commitment to resolving the incident through collaboration with cybersecurity professionals but provided no timeline for full system restoration or investigation completion. As a critical healthcare provider for San Joaquin County residents, the hospital prioritized maintaining emergency services and essential patient care functions while managing the operational impacts of the network disruption.