October 3, 2023

LockBit ransomware gang apologized for the attack on the hospital for Sick Children (SickKids) and has released a free decryptor to restore the files.

The hospital is the Canadian largest pediatric health center, it is located on University Avenue in Toronto, Ontario, Canada. The attack took place on Dec 18th, 2022.

The group policy forbids to encrypt systems of organizations where damage could lead to the death of individuals. Due to this, it blocks the affiliate who attacked the hospital.


We formally apologize for the attack on sikkids.ca and give back the decryptor for free. The partner who attacked this hospital violated our rules, is blocked, and is no longer in our affiliate program.

Lockbit Message

The attack impacted multiple network systems at the hospital, but according to the healthcare organization, it did not impact patient care.

The Hospital for Sick Children is currently responding to a cybersecurity incident affecting several network systems and has called a Code Grey – system failure. The code went into effect at 9:30 p.m. on Sunday, December 18, and is ongoing.

Hospital Statement

Lockbit gang released a free decryptor that would enable the hospital to decrypt the files.


On December 23, the hospital revealed that it would take weeks to fully restore its IT infrastructure.

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