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pic.twitter.com/vQn20D9VCy — Tavis Ormandy ( @taviso ) March 25 , 2017 This member of Google ’s Project Zero security team is already well known for his abilities to locate and report serious vulnerabilities in many widely used services , and even in the password manager that was supposed to be safe .
 ( discover vulnerability: locate and report,  Project Zero security team: discoverer, serious vulnerabilities: vulnerability, widely used services: vulnerable system, the password manager: vulnerable system, Google: discoverer, member: discoverer) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( discover vulnerability: locate and report,  Project Zero security team: discoverer, serious vulnerabilities: vulnerability, widely used services: vulnerable system, the password manager: vulnerable system, Google: discoverer, member: discoverer) 