Ransomware needs a way in. Stolen credentials are the cheapest one.
WJ 원진성형외과 Ransomware Attack
k-wonjin.co.krRansomed
Overview
View group profileDomain
k-wonjin.co.kr
Industry
Healthcare
Country
South Korea
Discovered
4 months ago
Attack date
Apr 7, 2026
Confidence
100%
Severity
Medium
Status
Claimed
Threat group
Black XTotal victims
17
First seen
Jun 2026
Last seen
Oct 2026
Threat level
4.3/10Aggressiveness8/10
Lethality0.9/10
Criticality4.1/10
Status breakdown
Data Leaked16.7%3
Claimed
this victim
83.3%15Victim's position within group
Industry
Healthcare
Known target sector
Country
South Korea
Not a listed target country
Other victims
View all (18)Same group · Black X
Group activity
Monthly attacks · Black X
17
total · avg 4.3/mo