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In this phishing attack , discovered by Proofpoint researchers in December , attackers place legitimate ads targeting brand managers and influencers with a link to a phishing site purporting to offer account verification .
 phishing: phishing attack
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:
 phishing: phishing attack