800
A few months after he reported the issue , DeMarre said Google told him the following : " We 're deploying some abuse detection and reactive measures to deal with impostors that might try to abuse this sort of attack .
 ( discover vulnerability: reported,  he: discoverer, A few months: time, the issue: vulnerability) 
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: reported,  he: discoverer, A few months: time, the issue: vulnerability) 