Network Security Map Poster 

A comprehensive network security guide and reference for IT and network profesionals. All security problems, technologies and solutions are well illustrated in the OSI 7-layers model and TCP/IP 4 Layers model.
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SecureCentral ScanFi Free Edition 

ScanFi is a web-based vulnerability assessment scanner for detecting and assessing network vulnerabilities across heterogeneous networks. ScanFi discovers, scans, reports, and supports vulnerability remediation.
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