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According to the BBC , the company noticed that something was amiss last week , but it took them until Friday to discover that customer data may have been compromised .
 ( data breach: have been compromised,  customer data: compromised data, the company: victim, Friday: time) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( data breach: have been compromised,  customer data: compromised data, the company: victim, Friday: time) 