GTPL — zero security on gtpl

Address:

Gujarat

i have gtpl internet and they are use dial-up (pppoe) connection and one day i saw in my network place so much pc connect with network when go that pc i can access there files and all data of that pc and there is no security and when i told that problem to gtpl they told me that network is secured and u don't worry about that and after 5 month my pic i saw in my friend pc and my friend have also have gtpl connection and steal my pic and saw me