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Although the researchers indicated that the method is the most effective one to steal a large amount of data , they , however , stated that since the method involves installing malware on a router , a number of other techniques can be used to extract data anyway .
 data: compromised data; installing malware on a router: 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:
 data: compromised data; installing malware on a router: attack pattern