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Wardle 's analysis on Monday came the same day that two unrelated researchers reported finding a separate piece of Mac malware in the wild that was designed to steal credentials from the keychain .
 the keychain: victim; credentials: compromised data; Mac malware: tool
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 keychain: victim; credentials: compromised data; Mac malware: tool