2480
Yahoo CEO Marissa Mayer said she 'll forego her 2016 bonus and any stock award for this year after the company admitted it failed to properly investigate hack attacks that compromised more than a billion user accounts .
 ( data breach: hack attacks,  the company: victim) 
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: hack attacks,  the company: victim) 