1529
The first big botnet made up of TVT devices was discovered by Sucuri in June 2016 , consisted of over 25,000 bots , and was used to launch Layer 7 DDoS attacks of up to 50,000 requests per second .
 discover vulnerability: was discovered
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: was discovered