1702
Researchers at Germany - based security firm Cure53 have conducted a 32 - day audit of the Network Time Protocol ( NTP ) and the NTPsec project and discovered more than a dozen vulnerabilities .
 ( discover vulnerability: discovered,  Researchers: discoverer, the Network Time Protocol ( NTP ): vulnerable system, the NTPsec project: vulnerable system, a dozen vulnerabilities: vulnerability, security firm Cure53: 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: discovered,  Researchers: discoverer, the Network Time Protocol ( NTP ): vulnerable system, the NTPsec project: vulnerable system, a dozen vulnerabilities: vulnerability, security firm Cure53: discoverer) 