3431
® In a follow - up statement , WhatsApp denied accusations that it had inserted what amounted to a backdoor in its messaging code : The Guardian posted a story this morning claiming that an intentional design decision in WhatsApp that prevents people from losing millions of messages is a “ backdoor ” allowing governments to force WhatsApp to decrypt message streams .
 discover vulnerability: posted
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 discover vulnerability: posted