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Kaspersky Lab , a cybersecurity and antivirus provider in Moscow , said in a statement that a security researcher at Google found an “ artifact ” on Twitter potentially linking the WannaCry ransomware attacks that hit organizations and individuals in several dozen countries and the Lazarus hacking group which was responsible for several devastating cyberattacks on government organizations , media firms and financial institutions in recent years .
 ransom: WannaCry 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: WannaCry ransomware attacks