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Check Point researchers today revealed a new vulnerability on WhatsApp and Telegram ’s online platforms – WhatsApp Web & Telegram Web .
 ( discover vulnerability: revealed,  Check Point researchers: discoverer, today: time, a new vulnerability: vulnerability, WhatsApp: vulnerable system, Telegram ’s online platforms: vulnerable system, WhatsApp Web: vulnerable system, Telegram Web: 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: revealed,  Check Point researchers: discoverer, today: time, a new vulnerability: vulnerability, WhatsApp: vulnerable system, Telegram ’s online platforms: vulnerable system, WhatsApp Web: vulnerable system, Telegram Web: vulnerable system) 