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Its main function is displaying ads ; however , it is also able to gain access to key security details built into the OS , allowing an attacker to obtain sensitive user data .
 data breach: gain access
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: gain access