Ransomware attack on Ontario hospitals disrupts care and compromises data
Hospitals in Ontario, Canada, were hit by a ransomware attack that led to cancelled cancer treatment appointments and the theft of information covering 5.6 million patient visits. The attackers demanded a ransom of millions of dollars, and the hospitals expected recovery to take weeks. A $480 million class action was later brought against the 5 affected hospitals.
Key facts
- Affected organisation
- Being confirmed
- Incident type
- Ransomware
- Occurred / detected
- Not confirmed
- Scale of damage
- Theft of information on 5.6 million patient visits and cancellation of cancer treatment appointments
- Cause / method
- Ransomware attack
- Location
- Canada
If your data was exposed
Exposed dataHealth & medical data
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.
Timeline
- A cybercrime group claimed responsibility for the attack, and hospital executives expected recovery to take weeks.
- It came to light that the stolen data included information on 5.6 million patient visits.
- The cancellation of cancer treatment appointments due to the ransomware attack came to light.
- It came to light that the attackers had demanded a ransom of millions of dollars.
- A $480 million class action was brought against the 5 affected hospitals.
7 related reports
- Cybercriminal group claims responsibility for ransomware attack as hospital CEO says recovery will take weeks
- Info from 5.6 million patient visits among data stolen in ransomware attack on Ontario hospitals
- Cancer treatments cancelled after Canadian hospitals hit by ransomware attack
- Hackers demanded multimillion dollar ransom to end attack against SW Ontario hospitals
- Ransomware attack on Ontario hospitals has this Chatham woman asking why 'most vulnerable' are still in limbo
- SW Ontario hospitals hit with $480M lawsuit as stolen patient data likely sold
- $480M proposed class action lawsuit filed against 5 Ontario hospitals hit by ransomware attack
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.