It was hit with an attack in May.
The National Cyber Security Council warned in October last year that hospitals and the HSE could be the target of hackers.
The organisation's acting director has been speaking for the first time about the response to the cyber attack on the health service in May.
Richard Browne says protocols to deal with the incident were put in place quickly and international experts brought in:
The redeployment of staff within the HSE to deal with the vaccination programme, may have contributed to the increase risk of a cyber attack.
Richard Browne says there was an awareness that hospitals and the HSE could be targeted during the pandemic

Fuel Oil Prices At Highest Recorded Value In Five Years
Over 200 Fines For E-Scooter Offences Issued In Kildare Carlow Area
Planned 72-Hour Ambulance Strike Called Off
Taoiseach Travelling To Vatican To Meet Pope Leo
Newbridge Scientist Hopeful For Ambitious Project Aimed At Preventing Hospital-Acquired Infections
Irish Rail To Scrap IT System Believed To Be Worth €50 Million
28,000 Calls To Newbridge Samaritans Centre In 2025
Kildare TD Calls For Prevention Of Supermarkets Disposing Of Unsold Edible Food