318
Details leaked by City of Atlanta employees during the ransomware attack , including screenshots of the demand message posted on city computers , indicated that Samsam - based malware was used .
 ransom: the ransomware attack
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:
 ransom: the ransomware attack