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" We are investigating alleged unauthorized access to our online portal where a person or persons using stolen credentials accessed W - 2 information of a limited number of individuals , " an Equifax spokesperson told El Reg on Monday .
 our online portal: 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:
 our online portal: victim