| Tenable Network Security's Nessus vulnerability scanner identifies and manages network vulnerabilities.  The tools use a broad vulnerability library to prevent loss of client confidence, data, and productivity. System Source uses the Nessus tool to help customers improve their network security by: 
Performing internal scans of a broad array of network attached devicesPerforming external scans of public facing resourcesIdentifying and quantifying risk by asset or vulnerabilityPrioritizing remediation Our customers ask us to assist them with: 
Identifying vulnerabilities before exploitationReducing vulnerabilitiesPromoting securityAssisting with complianceLowering risks by preventing security incidents |  |  |