Lessons from Seven-hour Disruption to Websites of Major Public Healthcare Institutions on 1 November 2023
- The seven-hour disruption to public healthcare websites on 1 November 2023 was caused by a Distributed Denial-of-Service (DDoS) attack that overwhelmed firewalls, but patient care and critical clinical systems remained unaffected with no data breaches.
- The incident highlighted rising DPGS threats and the need for evolving defences, prompting public healthcare to review and improve its DPGS mitigation, incident response, and recovery processes.
- Measures will be implemented to prevent reoccurrence, including enhancing DPGS protections, updating response protocols, and ensuring resilience of internet-reliant services without compromising healthcare operations.