How secure is your ADSL connection ?

Now a day most of us are using ADSL due to it's low cost , but is this connection is secure ?
Let see how secure is our ADSL connection for that you need ip Scan program , there are many ip scan program on net ,let down one from net

step 1: go to Google and search for a program called angry ip scanner

step 2: click on the first link and download the program  and insert that program

step 3: find out your pubic ip by going to site called www.whatsmyip.net copy that ip and past that ip on the ip range of program and change the last digit of ip range to 1 and to range last digit to 255

step 4: then click on start

it will display all the list of router that are connected to net at that time.

step 5: right click on any ip list and go to open then web browser it will display router setting page and it will ask you for username and password since most of people do not change their router password so username must be admin and password must be admin or 123 or password.

step 6: now you are at user router setting page from which you can get all the information and  access user computer and even change the setting of router.

so when you are using ADSL connection think once that is your connection is secure or nor .