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This past fall , an investment firm rattled the health care industry with unsubstantiated claims of multiple software vulnerabilities in internet - connected pacemakers and cardiac defibrillators .
 discover vulnerability: unsubstantiated claims
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: unsubstantiated claims