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All healthcare devices are subject to cyber risk. A 2017 study by the Ponemon Institute reveals that 67% of device makers and 56% of Healthcare Delivery Organisations believe that an attack on medical devices is likely. This problem is compounded when the devices are powered by legacy operating systems.

There are 2 primary reasons why legacy devices pose a ransomware threat:

No Security Updates – The operating systems on many legacy devices have reached end of support i.e., the vendor no longer provides security updates and patches for the operating system. New vulnerabilities are always being discovered in operating systems and threat actors can exploit these vulnerabilities to launch ransomware attacks Unpatched Devices – Healthcare facilities are often averse to applying security patches that are available because the process of patching causes equipment downtime which limits patient treatment. While this affects both new and legacy devices, the risk presented by legacy devices are greater because they have been around longer and more vulnerabilities have been discovered in them. Unsupported devices may receive patches if the risk is deemed to be severe e.g., Microsoft released an emergency security patch for older, unsupported operating systems in the wake of the WannaCry ransomware, but such legacy devices often remain unpatched, greatly increasing the risk of a ransomware attack. K7 recommends that all security patches should be applied as soon as they become available. The downtime caused by patching is very short compared to the disruption that would be caused by a ransomware attack

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Arun raj

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2y ago

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