Networking - Considerations

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Considerations for wired or wireless netwoking:

Wired – more secure, lower maintenance and setup, initial cost is high.
Wireless – less secure, higher maintenance and setup, initial cost is lower

Physical Security -
Wired networks have the highest security because for someone to access your network they have to have physical access to the network; they have to be present in your premises to get access to the network. Very visible to you and/or your employees.

Wireless networks work on a Radio Frequency, there for anyone with the knowledge and some equipment (not really sophisticated spy type stuff either) can tap into your network’s radio frequency. Now connecting to your network is a deferent problem, but they can see your network with a laptop and a wireless network card.

Software Security -
There are different layers of security that software can provide for your network.

Local level security starts at the workstation.

  • Setting up a local user id and password is one way, low security.
  • Using a Secure Card for access to the local workstation, medium security.
  • Having a local domain with the security that a domain controller provides is the better security.
  • Using both the Secure Card reader and domain log on is the highest security.
  • There is only one step above this and that is to encrypt the workstation hard drive.

Local level security for your network.

  • Setting up a local network with a domain will provide you with medium to high
    Security.
  • To gain access to a local workstation a user must be authenticated by the domain controller.
  • Authentication is a user id created and maintained by the domain controller and a password.
  • To increase security on a domain various things can be done, such as enforcing password complexity, encrypting the password, insuring the password is changed at a given frequency, and lock out of the user id after a certain number of attempts that have failed..

(continued....)


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