3178
The email , pictured below , contained a ransom demand disguised as a " consultancy fee " the group was asking to reveal " security issues " that affected Lloyd Bank 's online banking portals .
 ( ransom: a ransom demand,  disguised as a " consultancy fee ": attack pattern, the group: attacker) 
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 ransom demand,  disguised as a " consultancy fee ": attack pattern, the group: attacker) 