1490
In the leak of top - secret documents , Snowden released a classified draft NSA manual on how to implant the SECONDDATE malware – malicious code used to monitor or control someone else 's computer .
 ( data breach: the leak,  top - secret documents: compromised data) 
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: the leak,  top - secret documents: compromised data) 