wireless vodafone modem

someone has been accessing the internet while owner has been away ( it did have a password and secured they found out when vodafone said they were way over their limit and no one has been there ) can the wireless be disabled on the modem and how go about itThanks in advance

geek_sammylee3, Mar 15, 1:03 pm

what type of "modem" do you have?

geek_0800xford, Mar 15, 1:24 pm

Just turn off modem when no one is at home.

geek_sanders4, Mar 15, 1:26 pm