550
While the Californian port did not reveal the amount that the hackers demanded , it was serious enough that it got the U.S. Federal Bureau of Investigations , the U.S. Department of Homeland Security and the U.S. Coast Guard involved .
 the hackers: attacker; the Californian port: victim
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 the hackers: attacker; the Californian port: victim