1901
A flaw in the mobile Safari browser has been exploited by cybercriminals and used to extort money from individuals who have previously used their mobile device to view pornography or other illegal content .
 individuals: victim; their mobile device: victim; cybercriminals: attacker; the mobile Safari browser: 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:
 individuals: victim; their mobile device: victim; cybercriminals: attacker; the mobile Safari browser: victim