The HSE was last week forced to shut down all of its IT systems following a "significant" ransomware attack, which focused on accessing data stored on central servers.
A group known as Wizard Spider, based in and around St Petersburg in Russia, is believed to be behind the attack.
The group has stopped the HSE in it's tracks and has made it nearly impossible for day-to-day operations to continue in any manner.
Vida Hamilton National Clinical Advisor with the HSE, Fegal Hickey Consultant in Emergency Medicine Galway and Michael Murphy Security Consultant joined Matt Cooper on The Last Word to discuss the chaos that has followed this cyberattack.
Catch the full chat by pressing the Play button below.