How do I secure my wireless connection

Does anyone know how to secure their wireless connection...I currently have
optonline and a linksys router and use a laptop...I noticed that my
connection is not secured so anyone in my condo complex can use this
connection...

Thanks in Advance...
--
Ginny...

Stolen from an earlier post:

Wireless - Basic Configuration -
http://www.ezlan.net/Wireless_Config.html
Wireless - Basic Security - http://www.ezlan.net/Wireless_Security.html
MVP Barb Bowman on wireless security - http://tinyurl.com/56fc5

knut

"GinnyMarie" <(E-Mail Removed)> skrev i melding
news:93B31164-2BB5-4D40-B6FB-(E-Mail Removed)...
> Does anyone know how to secure their wireless connection...I currently
> have
> optonline and a linksys router and use a laptop...I noticed that my
> connection is not secured so anyone in my condo complex can use this
> connection...
>
> Thanks in Advance...
> --
> Ginny...