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A hacker has stolen millions of accounts from Dueling Network , a now - defunct Flash game based on the Yu - Gi - Oh trading card game .
 data breach: has stolen
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: has stolen