2026 Gürsoy Grup — LockBit ransomware claim (May 20)
Data compromised
Unspecified per criminal marketing
Technical writeup
BreachHistory recorded May 20, 2026 LockBit ransomware marketing against Gürsoy Grup (gursoygrup.com.tr). No company forensic bulletin was indexed at catalog time.
Root cause
LockBit ransomware extortion claim