Ransomware needs a way in. Stolen credentials are the cheapest one.
College O'Sullivan de Québec Ransomware Attack
Ransomware victimData extortion
Overview
View group profileDiscovered
about 2 months ago
Confidence
90%
Severity
Medium
Status
Claimed
Threat group
kairosTotal victims
47
First seen
Sep 2025
Last seen
Sep 2026
Group status
active
Sophistication
0
Impact score
91
Threat level
3.3/10Aggressiveness6/10
Lethality0/10
Criticality3.9/10
Status breakdown
Claimed
this victim
100.0%47Other victims
View all (47)Same group · kairos
Group activity
Monthly attacks · kairos
47
total · avg 4.3/mo