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A Samsam variant was used in a number of ransomware attacks on hospitals in 2016 , with attackers using vulnerable Java Web services to gain entry in several cases .
 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