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A group known as the Shadow Brokers published on Good Friday a set of confidential hacking tools used by the NSA to exploit software vulnerabilities in Microsoft Windows software .
 discover vulnerability: published
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: published