2240
The discovery was made by security researchers at MacKeeper who said that they had found gigabytes of files on an internet - connected backup drive that was not password - protected : The most shocking document was a spreadsheet of open investigations that included the name , rank , location , and a detailed description of the accusations .
 ( discover vulnerability: The discovery,  security researchers: discoverer, MacKeeper: discoverer) 
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:
 ( discover vulnerability: The discovery,  security researchers: discoverer, MacKeeper: discoverer) 