3196
Ever since the US government and St. Jude confirmed the one flaw , the VA has been " taking steps to be sure all our patients and providers are aware of this issue and take appropriate actions to be sure that all our patients get the update for their monitor , ” said Merritt Raitt , acting director of the VA National Cardiac Device Surveillance Program .
 ( discover vulnerability: confirmed,  the one flaw: vulnerability, the US government: discoverer, St. Jude: 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: confirmed,  the one flaw: vulnerability, the US government: discoverer, St. Jude: discoverer) 