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As first reported by Forbes , hackers Richard Zhu and Amat Cama teamed up and discovered the hole that allowed access to deleted files on iOS devices running iOS 12 .
 discover vulnerability: first reported
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:
 discover vulnerability: first reported