RE: FLASH: OT - Cable Modem Caution

[Eric Smollin]

>You don't need physical access to employ a packet sniffer. Cable modems

>typically connect in a fashion that lets you see the traffic from a number

>of users by putting your Ethernet card into what they call 'promiscuous'

>mode. You can also do port scans of various IP addresses to try to find an

>exploitable machine.  The cable modem systems are particularly vulnerable

>cuz people keep their computers on and attached to the net all the time.

I'm

>on a cable modem, and I see port scans of my machines all the time (which

is

>against the Terms of Service, but nobody at the cable company seems to

>care).  Here's an article on the subject (you have to join to read it, but

>it's free):

>http://www.nytimes.com/library/tech/99/07/circuits/articles/08hack.html



I have seen the same thing with my Cable Internet Service. In essence, it's

just a big T1 Token Ring. If your machine has a Trojan, or better yet if you

have File and Printer Sharing turned on, you become extremely vulnerable to

anyone who wants to hack your machine. 


-Eric-


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