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The affected Polish banks said the malware that infected their computers and servers encrypted its outgoing traffic and they were n't able to tell what the attackers stole .
 The affected Polish banks: victim; the malware that infected their computers: attack pattern; they: victim; the attackers: attacker; servers encrypted its outgoing traffic: attack pattern
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:
 The affected Polish banks: victim; the malware that infected their computers: attack pattern; they: victim; the attackers: attacker; servers encrypted its outgoing traffic: attack pattern