390
And that , in itself , may be a lesson for other companies to keep a cool head when they receive an extortion demand claiming that intellectual property or sensitive data has been stolen by hackers .
 ( ransom: extortion demand,  they: victim, companies: 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: extortion demand,  they: victim, companies: victim) 