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ABTA CEO Mark Tanzer says an " external infiltrator " used a vulnerability in the firm 's web server to access data provided by its members and some of those members ' customers .
 used a vulnerability in the firm 's web server: attack pattern; data: compromised data; its members: victim; external infiltrator: attacker; those members ' customers: 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:
 used a vulnerability in the firm 's web server: attack pattern; data: compromised data; its members: victim; external infiltrator: attacker; those members ' customers: victim