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Updated WhatsApp ’s end - to - end encryption can be potentially exploited by determined snoops to intercept and read encrypted messages , it was claimed today .
 ( discover vulnerability: exploited,  end - to - end encryption: vulnerability, snoops to intercept and read encrypted messages: capabilities, WhatsApp: vulnerable system) 
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: exploited,  end - to - end encryption: vulnerability, snoops to intercept and read encrypted messages: capabilities, WhatsApp: vulnerable system) 