2023 LockBit ransomware — U.S. Treasury disruption
Data compromised
Financial data
Technical writeup
ICBC Financial Services (U.S. unit) hit by LockBit. Severe disruption to U.S. Treasury market; trade clearances halted. Manual processing via USB and Gmail. Temporarily owed BNY Mellon $9B.
Root cause
LockBit ransomware; inadequate cybersecurity prep.