DSL Advances

15.2. DSL-Specific Security Advantages

DSL access provides two specific security advantages over other mass broadband access technologies:

1. DSL provides a point-to-point connection over dedicated copper facilities between the users premises and the telephone company switching office or remote site. Other users in the neighborhood do not share transmission resources, and it is not possible for one DSL user to access the signal for a second user. This is contrasted with the situation for both cable modem and fixed wireless broadband access where other users, or malicious actors, have physical access to signals meant for others over the shared media of hybrid fiber COAX (for cable) or fixed wireless transmission. Unauthorized reception, masquerade, ...