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As noted by ZDNet , Hawkes , leader of Google 's Project Zero security team , shared the revelation on Twitter late Thursday , saying the iOS bugs were leveraged as zero - day vulnerabilities .
 discover vulnerability: shared the revelation
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: shared the revelation