The Irish health service shuts down its IT system after a “significant” ransomware attack that is having a severe impact on health and social care services
Ireland's health service has temporarily shut down its IT system after what it described as a “significant ransomware attack”.
BBC
Context & Ripple Effects
Ireland’s shutdown follows the earlier ransomware disruption at UK hospitals, where locked systems forced emergency-patient diversions. The Irish incident shows the same operational exposure reaching health and social care services when a central IT environment is taken offline.
Later coverage of missed warning signs in the Irish attack frames the outage as more than an isolated service interruption: detection and administrator response were central to the incident’s severity.
First-order effects
Irish health and social care providers lose access to the shut-down IT environment, immediately disrupting services that depend on those systems.
The Irish health service must prioritize containment and recovery alongside continuity of care, rather than operating its normal digital workflows.
Second-order effects
Hospitals and care teams are pushed toward manual or alternative processes, increasing pressure on organizations already dependent on centralized health IT.
The later PwC findings put scrutiny on the health service’s administrator monitoring and incident-response practices, making security operations an operational care-delivery issue.
Third-order effects
Repeated hospital ransomware disruptions—from the UK incidents to Ireland and later London service disruption—point to healthcare IT availability becoming a core resilience requirement, not solely a cybersecurity concern.
If providers continue to centralize critical clinical and support systems, resilience planning will increasingly be judged by whether care can continue during a system-wide shutdown.
The trend: Ransomware is turning healthcare cyber resilience into a direct determinant of whether clinical and social-care services can operate.
There is a significant ransomware attack on the HSE IT systems. We have taken the precaution of shutting down all our our IT systems in order to protect them from this attack and to allow us fully assess the situation with our own security partners.
I have been in regular contact with @paulreiddublin this morning about this cyber attack on the @HSELive IT systems. We are working to ensure that the systems and the information is protected. COVID-19 testing and vaccinations are continuing as planned today.
HSE chief exec says the ransomware is Conti in radio interview. My analysis: Conti typically enter via Office macros (Microsoft, you might want to put serious work into that) via Bazarloader or Trickbot. https://www.theregister.com/ ...
While the Darkside gang vows to never strike medical facilities and services, the Conti ransomware gang has hit Irish health services (h/t @BrianHonan) https://twitter.com/...
Irish health service hit by “significant ransomware attack”. Irish broadcaster RTÉ said Dublin's Rotunda Hospital has cancelled most outpatients visits on Friday. https://www.bbc.co.uk/...
To be fair countries with far better cyber defences than Ireland have fallen foul of #ransomware attacks on critical infrastructure. Oddly there's political will here to bring in laws & spend €€ but we're hampered by interagency turf wars and archaic hiring processes. https://twi…
.This is a serious attack on patients everywhere. This affect every single GP around the country as Healthlink is now taken down. We won't be able to use Healthlink to send e-referrals, download blood results, send COVID e-Referrals. The knock effect is also felt by GPs. 😩 https:…
The Irish (publically supported) policy of refusing to invest in national defences, including investment in Defence Forces cyber capabilities, has contributed here. You can't expect us to be able to defend against these attacks without investment. Chickens are home to roost. http…
The National Ambulance Service is operating as normal. There is NO impact on our Emergency Call Handling and Dispatch functions. If you need us - we will be there. 🚑🚑🚑 @NasDirector @HSELive @paulreiddublin https://twitter.com/...
🚨 HSE confirms it has been victim of a “significant ransomware attack” which has forced it to shut its IT systems. Already all appointments (except 36-week cans) have been cancelled at the Rotunda Hospital. More on this throughout the day, no doubt, on @VirginMediaNews... https:/…
All services at Our Lady's Hospital, Navan are running as normal, however some diagnostics may be running slower today. Staff are working on manual systems. We therefore ask for the public's patience at this time as they may experience some delays. @HSELive @LaraBourton https://t…
Due to the ransomeware attack we are unable to send or receive emails. If you have an urgent cold chain or clinical query please send it through our DMs and we will do our best to help you https://twitter.com/...
This is having a severe impact on our health and social care services today, but individual services and hospital groups are impacted in different ways. Emergency services continue, as does the @AmbulanceNAS. Updated information will be available @HSELive throughout the day.