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On February 28 , Singapore ’s defense ministry ( MINDEF ) disclosed that a breach in an Internet - connected system earlier this month had resulted in the personal data of 850 national servicemen and employees being stolen .
 data breach: being 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: being stolen