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The abta.com web server for the Association of British Travel Agents ( ABTA ) was recently hacked by “ an external infiltrator ” who exposed the details of 43,000 individuals .
 ( data breach: hacked,  the Association of British Travel Agents ( ABTA ): victim, The abta.com web server: victim, an external infiltrator: attacker) 
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: hacked,  the Association of British Travel Agents ( ABTA ): victim, The abta.com web server: victim, an external infiltrator: attacker) 