2435
A security lapse at content distribution network provider Cloudflare that resulted in customer data being leaked publicly for several months was bad - but had the potential to be much worse .
 ( data breach: being leaked,  several months: time, customer data: compromised data, network provider Cloudflare: 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: being leaked,  several months: time, customer data: compromised data, network provider Cloudflare: victim) 