WEP can be used to ameliorate the problem of continuously transmitting the SSID through encrypting the traffic between the wireless clients and the access point. This is done by creating a shared password. The access point transmits to the wireless client a request that the client must send back encrypted. If the access point can decrypt the client's answer, it has the proof that the client has the right wireless key and has a right to enter the network. WEP has two encrypting possibilities: a key at 64 bits or at 128 bits. Of course, WEP doesn't assure the ultimate security level. A hacker that is equipped with the before mentioned monitoring devices can receive and register at first the request and then the encrypted answer, and from here on he can determine the network key.

MAC verifying can also raise the network's security, if the administrator uses MAC address filtering to enter the network. This means the access pint is configured with the MAC addresses of the clients that are allowed to enter that network. If someone else captures an address and the uses it to enter the network, any access point or router has a configuration page where you can see the number of connections from a specific address, so you can determine whether someone else is connected to your network or not.

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