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DocuSign , a major provider of electronic signature technology , acknowledged today that a series of recent malware phishing attacks targeting its customers and users was the result of a data breach at one of its computer systems .
 data breach: data breach
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: data breach