Q:
I have a Compaq Presario B3804AP laptop, I often use its wireless network connection, now I wonder generally what should I do to protect this wireless network? Hope to get your any suggestion and help. Thank you a lot!
A:
For this problem, we have several points to discuss:
1. Wireless network adapter
When user doesn’t use network, suggest shutting down the network adapter. There’re two reasons for doing this. First of all, to prolong the life of the battery; secondary, to prevent from hacker attack; as Microsoft network uses default settings, which gives attackers an opportunity. By doing this, we can also defend “Microsoft Windows silent ad hoc network advertisement”, which is the best method to prevent infiltration attack.
2. Check wireless network SSID
Check SSID (Service Set Identifier) or ESSID, which is used to differentiate different networks, to the most there’re 32 characters, wireless network card sets different SSID, then it could enter different networks, which is helpful to prevent evil twin. Evil twin, namely, attackers use attacking to produce wrong wireless network. Simply speaking, user has no idea the network connected is wrong, then hackers could get any flux that user receives and sends.
3. Ensure the security of the firewall software
Windows XP and Vista/Win7 integrate firewall, but all not enough. There are many kinds of firewall software with powerful functions on the market, which could completely satisfy the requirements for users.
4. Disa