Signature Healthcare Cyberattack Disrupts Hospital Services and Delays Care

Summary
A reported cyberattack detected April 6 disrupted systems at Signature Healthcare and Brockton Hospital, prompting ambulance diversions and delays. Chemotherapy was briefly canceled and gradually resumed; the cause and full scope remain undisclosed.
Key points
- The hospital detected suspicious activity in part of its network on April 6, 2026, and activated incident response and downtime procedures.
- System outages led to ambulance diversions; inpatient and walk-in emergency care continued, while surgeries and urgent care faced delays.
- Chemotherapy infusions were canceled on April 7 and gradually resumed beginning April 8.
- Laboratory testing continued with delays; medical-records requests were temporarily unavailable, and retail pharmacies could not fill prescriptions.
- External cybersecurity experts are helping investigate and restore systems; the cause and full scope of the incident have not been disclosed.
Article Details
- Victim Organization
- Signature Healthcare; Signature Healthcare Brockton Hospital
- Incident Type
- Cyberattack causing critical system outages and service disruption
- Incident Date
- 2026-04-06
- Disclosure Date
- 2026-04-06
- Affected Records
- Not disclosed
- Affected Data Size
- Not disclosed
- Operational Impact
- Systems went offline, prompting downtime procedures and ambulance diversions. Laboratory testing, pharmacy dispensing, medical-record requests, and administrative operations experienced delays or temporary suspension. Chemotherapy infusions were canceled on April 7 and gradually resumed by April 8; surgeries and urgent care continued with delays. The health system was investigating and restoring systems with external cybersecurity experts.
- Ransom Or Extortion
- Unknown
- Claim Status
- confirmed
