1700
Panda Security researchers have been following and analyzing ransomware attacks that have been targeting European business for a few months now , and have tied them to the same group .
 ransom: ransomware attacks
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:
 ransom: ransomware attacks