WiFi Hotspot Security? Is there any way to add extra security to a WiFi hotspot created by an Android phone?

I am using a Samsung GT-S5300 with Android 2.3.6, and I am using the WiFi hotspot feature at home since Telkom doesn't offer ADSL in my area anymore.

I need to be able to limit access to the hotspot to mine and my wife's laptops as WPA can be cracked very easily and I cannot see if someone has tried to crack it.
If your device is rooted, you could give Wireless Tether for Root Users a try. According to an article on e-how.com, this app also features a mac-filter, allowing you to exactly define which devices are permitted on your hotspot:


  Wireless Tether provides WPA encryption, the latest wireless security standard, and allows for MAC address filtering, letting you screen devices without having to constantly monitor your phone.


(EDIT: According to the app's own description, WPA/WPA2 is available on supported devices only, whatever those "supported devices" may be)

For the default hotspot shipping with Android, you might want to star this issue at google code, which requests exactly the feature you are looking for (mac filtering).