Hi guys .. I setup a wireless network at home. It consist of a Linksys Wireless Broadband Router connected to an ADSL modem. There are 3 users in my network, namely myself using a notebook, and two of my housemates using PC. However, recently I caught this image on wireless router wireless access, there is another user, without a valid IP. The thing that I would like to find out is :- 1) How did the user find and enter the network when I have disabled my Wireless SSID Broadcast, used WEP as security mode, and restrict access based on MAC address? 2) Since the user is "in" the network, is he able to use the network resources like accessing the user machines, or using the internet access? I have included the file for your view, please let me know if there is anything further that I should do. Thanks.