3238
One thing that should be made clear is that these weaknesses were exposed as a result of months of investigation by an expert team of cryptologists .
 ( discover vulnerability: were exposed,  these weaknesses: vulnerability, an expert team: discoverer, cryptologists: 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: were exposed,  these weaknesses: vulnerability, an expert team: discoverer, cryptologists: discoverer) 