The Qilin ransomware group has claimed responsibility for a cyberattack on Synnovis labs, a key partner of the National Health Service (NHS) in England. The attack, which began on Monday, has severely disrupted services at five major hospitals in London, including King's College Hospital and Guy's and St Thomas' NHS Foundation Trust. The NHS declared the situation a 'critical incident,' noting that the full extent and impact of the attack on patient data remain unclear.

Synnovis, a prominent pathology service provider, runs over 100 specialised labs offering diagnostics for various conditions. Due to the ransomware attack, several critical services, such as blood testing and certain operations, have been postponed, prioritising only the most urgent cases. NHS England has deployed a cyber incident response team to assist Synnovis and minimise patient care disruption, though longer wait times for emergency services are expected.

The Qilin group, operating a ransomware-as-a-service model, typically targets victims via phishing emails. The attack on Synnovis has raised significant concerns about the security of healthcare systems and the reliance on third-party providers. Kevin Kirkwood from LogRhythm emphasised that the attack causes operational disruptions and undermines public trust in healthcare institutions. He called for robust security measures, including continuous monitoring and comprehensive incident response plans, to protect healthcare infrastructure better and ensure patient safety.