2453
The vulnerability was privately disclosed Feb 17 by Google Project Zero researcher Tavis Ormandy , who reported that he did see crypto keys , passwords , POST data and HTTPS requests for other Cloudflare - hosted sites among data from other requests .
 ( discover vulnerability: disclosed,  Feb 17: time, The vulnerability: vulnerability, Google Project Zero researcher Tavis Ormandy: 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: disclosed,  Feb 17: time, The vulnerability: vulnerability, Google Project Zero researcher Tavis Ormandy: discoverer) 