Incidents involving:

Health Service Executive (HSE) of Ireland

RansomwareContainedMay 14, 2021

HSE Ireland ransomware (Conti)

Conti ransomware paralysed Ireland's Health Service Executive, forcing cancellation of outpatient appointments nationwide for weeks. Conti released the decryptor for free; recovery still cost an estimated €100M+.

Victim: Health Service Executive (HSE) of Ireland
Loss: $130.0M
Records: 700.0K

RansomwareContainedMay 14, 2021

HSE Ireland Conti ransomware national healthcare shutdown (2021)

Conti operators tricked an HSE user into downloading a booby-trapped Excel attachment; the resulting ransomware forced the Health Service Executive to shut down all of Ireland's healthcare IT systems and exfiltrated 700 GB including COVID-19 vaccination PHI. Recovery cost exceeded €100 million.

Victim: Health Service Executive (HSE) of Ireland
Loss: $110.0M