3364
" The incident follows a similar attack on the Northern Lincolnshire and Goole Foundation Trust in October , when malware was used to encrypt files on the trust 's system and demand a ransom in order to access them again .
 ( ransom: a similar attack,  October: time, the Northern Lincolnshire: victim, Goole Foundation Trust: victim) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( ransom: a similar attack,  October: time, the Northern Lincolnshire: victim, Goole Foundation Trust: victim) 