526
Providing updates to older systems could make computers more insecure by removing an incentive for users to modernize , Mikko Hypponen , the chief research officer of F - Secure , a security firm .
 ( patch vulnerability: Providing,  updates: patch, older systems: vulnerable system) 
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: Providing,  updates: patch, older systems: vulnerable system) 