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HONG KONG ( REUTERS ) - Cathay Pacific Airways said on Wednesday ( Oct 24 ) that data of about 9.4 million passengers of Cathay and its unit Hong Kong Dragon Airlines had been accessed without authorisation .
 data: compromised data; 9.4 million: number of victim; Hong Kong Dragon Airlines: victim; Cathay: victim; passengers: victim
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:
 data: compromised data; 9.4 million: number of victim; Hong Kong Dragon Airlines: victim; Cathay: victim; passengers: victim