Check your firewall : http://probe.hackerwatch.org

Try Mozilla Firefox the Excellent alternative to Internet explorer, more secure and more compliant than Microsofts offering

If you liked firefox why not add some of the 'add ons' you can handy gadgets that intergrate with firefox like the weather for your area or a birlliant tool which I love for synchronising my bookmarks (favorites if you use explorer) called foxmarks

Needs some creative work for your corporate brand check out Ruby Images and emma griffin

Need some Antivirus software but begrudge having to pay ! check out AVAST this is an excellent piece of software totally free for the home users.

Need a firewall check out Comodo they offer a free firewall software for home users.