745
Specifically , the duo discovered flaws in the protocol that allowed an attacker to intercept a victim ’s mobile phone calls as well as use a radio antenna to pick up all of a local user ’s phone calls and texts .
 discover vulnerability: discovered
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: discovered