3504
The group , posing as Islamic radicals , stole data and released dozens of client log - in data , causing mayhem for the exchange , according to Bloomberg News .
 data breach: stole
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 data breach: stole