434
However , in the past few weeks , the scam has been masquerading as the IRS , pretending to be from “ IRS Online . ”
 phishing: has been masquerading as
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: has been masquerading as