The blackout at ICBC’s US broker-dealer left it temporarily owing BNY Mellon $9 billion, an amount many times larger than its net capital.Payment of the ransom was claimed by the notorious LockBit gang, in a statement which Reuters was unable to independently verify.“They paid a ransom, deal closed,” the LockBit representative said via Tox, an online messaging app.LockBit has made over 1400 attacks against US victims, according to the Department of Justice, and earlier this year hit trading tech firm ION, which also shelled out to get its system back online.