The steps you should take depend on how important the security of your personal network is to you. Some people will feel it more important than others to implement comprehensive security measures. But some of the basic security measures you can take are easy and involve little (or no) trouble to set up and very little extra trouble on the part of network users. So everyone should take at least some security measures:
Change your network name (SSID) so that it is not the default
The measures described in this section cover network security. Besides the measures explained in this chapter, you should also take steps to protect individual computers such as installing antivirus software and personal firewall software, ...