1646
Over a third of British businesses ( 36 percent ) are not very confident that efforts to completely eradicate a recent ransomware attack from work systems have been successful .
 ransom: a recent ransomware attack
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: a recent ransomware attack