1349
“ A really effective tactic involves ‘ layering ’ defences to include a firewall , anti-malware software , staff training and regular re-training ) around phishing email awareness , and finally to plug any holes in your defences by updating software patches and updates in a timely manner .
 ( patch vulnerability: plug,  any holes: vulnerability) 
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: plug,  any holes: vulnerability) 