Auditing the Internet, E - Business
CABLING TECHNOLOGIES
(Physical Connections Between Devices)
Auditing for Security & Assessing Strengths & Weaknesses
Review physical wiring diagram; determine
Type of cabling used (coaxial, fiber, twisted pair)
Locations
Diagram current
Revisions recorded - date made and person responsible
Inspect cabling closet
Secured
Logging mechanism used to track those entering
Cabling labeled and identifiable
Review wiring hubs and concentrators
Located in secure areas
Accessible only by network support personnel
Compare physical hub connection labeling to wiring diagrams
Evaluate physical connections
Connections authorized
Connections documented between hubs and closets
Evaluate cabling used against known deficiencies
Coaxial - high maintenance; easy to eavesdrop; physical limitation (distance, number of systems supported)
Twisted Pair - easy to eavesdrop; high maintenance; proned to noise interference; most common used; low cost
Fiber - hard to eavesdrop; reliable; expensive; expensive
Cabling meet specifications (Cat 5, etc.) and certified
Evaluate workstation wiring
Workstation wiring diagrams accurate
Transmission quality degraded or interference from other systems due to wiring
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