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A group of thieves exploited weaknesses in Signaling System 7 ( SS7 ) to drain users ’ bank accounts , including those protected by two - step verification ( 2SV ) .
 data breach: drain
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 data breach: drain