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A month ago , for instance , The Dark Overlord hacking group attempted to blackmail money out of Netflix , before deciding to leak as - yet unaired episodes of hit TV show “ Orange is the New Black . ”
 ( ransom: blackmail money,  deciding to leak as - yet unaired episodes: attack pattern, Netflix: victim, The Dark Overlord hacking group: attacker, month ago: time) 
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: blackmail money,  deciding to leak as - yet unaired episodes: attack pattern, Netflix: victim, The Dark Overlord hacking group: attacker, month ago: time) 