Back Door Security Guidelines

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Back Doors

    1) Run through existing software
        Operating systems
        Commercial software
        Open Source Software
        Spy ware

    2) Different than vulnerability
        Are intentionally put into software
        Regularly used to spy or sabotage

    3) Back-door patches can be applied to any software
        And by anyone with administrator access to the machine

    4) Detecting backdoors
        Monitor traffic through a firewall
        Monitor traffic with a packet sniffer
        Restrict usage to a known good network
        Format & install only trusted software
        Determine protocols used by your ISP
        Log abnormal activity
        Monitor 24/7 in case of timed attack.

    5) Run a test-case
        Isolate traffic from outside servers.
        Minimize software connecting to the internet.
        Connect with another computer, running different programs.

    6) Embedded Hardware
        Your firewall may be vulnerable
        Embedded hardware is more secure
        Embedded network tools are available
            Use existing Unix boot disk(s)
            http://bengross.com/smallunix.htm


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