Is packet sniffing or other manipulation possible at a DSL or cable wire between my modem and the ISP?

Can a DSL or cable wire between my modem and the ISP be manipulated in any way at the hardware level to sniff the traffic data?
For example by neighbours with physical access to the wires in a big appartment complex, a previous renter or a… Continue reading Is packet sniffing or other manipulation possible at a DSL or cable wire between my modem and the ISP?