3197
On Jan. 4 , DHS circulated the final Food and Drug Administration ( FDA ) cybersecurity guidelines for monitoring networked medical devices on the market that threaten manufacturers with penalties such as a recall unless they cooperate with bug hunters to patch vulnerabilities within 60 days .
 ( patch vulnerability: patch,  vulnerabilities: vulnerability, bug hunters: releaser, they: releaser) 
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:
 ( patch vulnerability: patch,  vulnerabilities: vulnerability, bug hunters: releaser, they: releaser) 