1216
The vulnerability he found in 2017 — CVE -2017-8291 — was adopted by North Korean hackers , who used it to break into South Korean cryptocurrency exchanges , steal funds , and later plant false flags in an attempt to pin the hacks on Chinese - speaking threat actors .
 discover vulnerability: found
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: found