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PublicInternalConfidentialSecretWeb SiteDataMarketingDataPayrollDataTradeSecretsType of DataWhat is at RiskPublicPrestige, Trust, RevenueInternalOperationsConfidentialOperations, Internal TrustSecretIntellectual Property(知识产权知识产权)Packet FilteringDMZsOperating System ConfigurationApplication SecurityEvent MonitoringPKIVPNVirus ScanningHotfixesChange ControlGood Operational PracticeIPSecSSLISA ServerGood Operational PracticeFirewallInternetDMZInternal NetworkFirewallInternetDMZInternal Network