1304
Williams said many of its students and teachers had backed up their files in the cloud and were not affected by the ransomware attack , but backups stored on servers at the school were also encrypted by the hackers .
 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