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Researchers say crooks attempting to install malware and perpetrate credential - harvesting attacks are more likely to use social engineering to trick people into installing malware than to exploit vulnerabilities with tools such as exploit kits .
 data breach: credential - harvesting attacks
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:
 data breach: credential - harvesting attacks