1724
A China - based cyber gang has compromised UK firms as part of a " systematic " global hacking operation , a new report has revealed .
 UK firms: victim; A China - based cyber gang: attacker
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: data breach 
  Option: victim, attacker, attack pattern, purpose, damage amount, tool, time, place, number of victim, compromised data, number of data 
Text: {0} 
Answer:
 UK firms: victim; A China - based cyber gang: attacker