Cloud Computing and Network Service Domain Essay

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Separate Domains of IT
Infrastructure

CS5493

7 Domains of IT
1. User Domain
2.Workstation Domain
3.LAN Domain
4.LAN to WAN Domain
5.WAN Domain
6.Remote Access
7.System Application Domain

Logical Grouping of IT Domains
●

User/Workstation

●

Network
●

LAN

●

LAN-WAN interface

●

WAN

●

Remote (Brave new world)

●

System/Application

User Domain
●

The subjects:
●

The people using the system.

●

This is the domain of the AUP

The AUP
• Acceptable usage policy – a contract between the system owner and system user outlining the acceptable usage parameters of the computing system.

User Domain
●

Threats/Vulnerabilities
–

Lack of user awareness

–

User apathy toward policies

–

Security policy violations

–

Disgruntled employee attacks

–

Social engineering attacks

–

Etc

Mitigation strategies …

Workstation Domain
●

Usually refers to the computer on your desk or workspace. –

This includes the staff supporting the workstations

–

The AUP is a key document for this domain

Workstation Domain
●

Risks/threats/vulnerabilities
–

Unauthorized access

–

Malware

–

Support staff threats/vulnerabilities

–

Social engineering attacks

–

Etc.

Mitigation strategies…

Network Domain
●

For the purpose of this course, we will combine the domains for LAN, LAN-to-WAN, and WAN into the Network Service Domain

Network Service Domain
●

●

Includes the equipment, cables, the wireless access, etc.
Key document is the SLA

SLA: Service Level Agreement
• An agreement between the system provider and system user. Outlines provider responsibilities and defines realistic expectations to the users.

Network Service Domain
●

Threats/Vulnerabilities/
–

Unauthorized access, physical or otherwise

–

Malware attacks

–

Hardware vulnerabilities

–

Support staff threats/vulnerabilities

–

Misuse of network resource by users

–

Clear-text (unencrypted) data traffic

–

DoS

–

Wireless attacks

Remote Access Domain
●

Accessing the computing services from outside the boundary of the
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