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Security researchers claim 41 percent of Android devices are vulnerable to an “ exceptionally devastating ” variant of the Wi - Fi attack that involves manipulating traffic , and it will take time to patch older devices .
 discover vulnerability: claim
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: claim