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The Intercontinental Hotels Group data breach involved malware that had been downloaded onto its systems , which was capable of monitoring payment card systems and exfiltrating payment card data .
 ( data breach: data breach,  The Intercontinental Hotels Group: victim, malware that had been downloaded onto its systems: attack pattern, monitoring payment card systems: attack pattern) 
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: data breach,  The Intercontinental Hotels Group: victim, malware that had been downloaded onto its systems: attack pattern, monitoring payment card systems: attack pattern) 