Lifehacker Gina Trapani wrote a nice article accumulating the top 10 Wi-Fi tips that can increase your signal range and make your wireless network secure. Tips include things like better router placement, extending your signal by using a repeater or a bridge, using  Wireshark to sniff your wireless network packets passing through, enabling WPA Encryption to make your network much more secure than using WEP, enabling MAC address filtering to restrict your wireless network even more, stop SSID (Network Name) broadcasting, using NetStumbler to detect other wireless networks with information about how secure they are and also for war-driving purposes, using portable routers share a wired connection in hotel rooms for instance, a nice youtube video showing how to use tinfoil to increase your signal range, and of course using DD-WRT Firmware to enhance your routers usability and adding more features making your $50 router into a $600 one. It also includes instructions on how to flash the firmware to your router.

Secunia is a freeware app which is Window only and helps keep applications on your system upto date and also notifies of obsolete apps. Its similar to windows update but much more powerful. Specially helpful if you have a lot of application on your system like I do. Posted at Lifehacker by Adam Pash

Nice hack when you really need to go on to the internet in extreme IT lock down policies. Of course use this at your own risk as posted in Lifehacker by Adam Pash. Basically you can open any app and press F1 to get to the help section and then go to tools and click on jump to url and you should be good to go.

One thing also possible is to use the portable version of firefox. To use this you can load it on a USB Drive and stick in your work computer and in most situation you can browse the web without any issues unless the access blocked at routers end but thats very unlikely.

Lifehacker points to New York Times article with Bruce Schneier answering questions regarding your computer security.

Web Worker Daily has a nice article about securing your wifi network. It includes basic tips and detailed instructions on advanced techniques.

New version of eWallet 6.0 is on the loose. New updates include better security and over the air synchronization with sftp to your desktop for instance which is a very nice feature. It also comes with web access of your info for easy viewing from different devices.