3192
A cybersecurity firm called MedSec initially discovered the problems in the St. Jude devices and tipped off the activist investment firm Muddy Waters , which publicized the flaws and advised clients to bet against the health care firm 's stock .
 discover vulnerability: initially 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: initially discovered