Some people have gotten into problems just because someone hacked into their wireless connection and used their connection for illegal acts online, so it is very important to keep your wireless connection very secure.
You can read here about a malware attack on my router.
The following are security measures to put in place if you have a wireless router, a you need to configure it securely.
1. Change the default password of your router: This is something most people will never do as they feel they are secure with just setting a wireless password, all router has a default password depending on the maker, if the default password is not changed,