Gardaí investigating the Health Service Executive cyber attack have said they are gathering evidence in seven different countries.

Detective Chief Superintendent Paul Cleary from the Garda National Cyber Security Bureau said the recent disruption operation where gardaí took over the technical infrastructure of the gang suspected of being behind the attack was successful.

He said it resulted in 753 potential victims of this gang being alerted to the fact that they were being targeted.

The HSE was forced to shut down all of its IT systems earlier this year following the "significant" ransomware attack, which focused on accessing data stored on central servers.

The Cyber Security Bureau is now gathering evidence in relation to the attack in seven different countries and are now "following the money", Detective Chief Superintendent Cleary said.

He said gardaí are tracing the crypto currency that gangs use and that it is a "live angle" in the investigation.

He described the investigation as "technically complex" but said it is progressing.


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