RE: How secure is VPN access?

From: dave kleiman (dave_at_isecureu.com)
Date: 11/18/04

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    To: "'Cesar Diaz'" <cdiaz00@gmail.com>, <security-basics@securityfocus.com>
    Date: Thu, 18 Nov 2004 00:11:58 -0500
    
    

    Cesar,

    Would allow a user to bring their home computer to the office, and just hand
    them an IP and allow them full network access?

    Do your users have access to network resources through the VPN?

    They can spread viruses, Trojans etc. to the network from the VPN.

    No, you definitely should not let home computers access the VPN, you should
    have complete control of the systems that do access via VPN and keep them
    up-to-date, etc.

    Citrix is a different story, as long as you restrict drive and port
    redirection, it can be a "better-controlled" situation.

    ______________________________________
    Dave Kleiman, CISSP, CISM, CIFI, MCSE
    www.SecurityBreachResponse.com

     

    -----Original Message-----
    From: Cesar Diaz [mailto:cdiaz00@gmail.com]
    Sent: Wednesday, November 17, 2004 11:39
    To: security-basics@securityfocus.com
    Subject: How secure is VPN access?

    List,

    After years of having VPN access for our remote users without a single know
    security incident, my boss and I have to justify to her boss why VPN is
    secure.

    The CIO wants us to only allow users to access the network from company
    laptops, not from their own home computers. We currently will allow users
    to install the VPN client software on their home computers to connect
    remotely, or they can use Citrix through SSL access to get to network
    resources. His concern is that if a users home PC is compromised, that
    compromise can spread to our network.

    Is this a legitimate concern? Can anyone point me in the direction of some
    documentation backing either argument?

    Thanks in advance for any help.

    C


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