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The use of email as an authentication measure made it easier for phishers to mass harvest credentials for all email services on a single phishing site , instead of having to target email providers individually , Hassold says .
 phishers: attacker; The use of email as an authentication measure: attack pattern; credentials: compromised data; all email services: victim; a single phishing site: 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:
 phishers: attacker; The use of email as an authentication measure: attack pattern; credentials: compromised data; all email services: victim; a single phishing site: tool