Re: Block a user's outgoing email
From: Kryptos (kryptos_at_phreaker.net)
Date: 08/27/03
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To: "Cesar Diaz" <cesadiz@yahoo.com>, <security-basics@securityfocus.com> Date: Wed, 27 Aug 2003 12:16:08 -0700
Although redirecting the user's outgoing mail to your security department
would work for Outlook, you should also consider that the user may use
webmail on a service such as Yahoo!, or they may use an instant messaging
application. You should consider these as security violations as well. If
you're logging the user's e-mail in an attempt to gather evidence of NDA
violations, you might consider a keylogger or similar application to catch
all the activity on the computer.
-- Kryptos kryptos@phreaker.net 925.955.8110 ----- Original Message ----- From: "Cesar Diaz" <cesadiz@yahoo.com> To: <security-basics@securityfocus.com> Sent: Wednesday, August 27, 2003 7:48 AM Subject: Block a user's outgoing email : : : I have situation where I want a user to be able to receive emails, but not : to send them. We run Exchange 5.5 and the clients use Outlook 2000. : This particular user is remote, so they connect through a Contivity VPN : client to our network. : : I don't want the user to know that outgoing emails are being blocked and : we want to be able to read them for secuirity policy violations. : : Any suggestions? Thanks in advance. : : : : : -------------------------------------------------------------------------- - : Attend Black Hat Briefings & Training Federal, September 29-30 (Training), : October 1-2 (Briefings) in Tysons Corner, VA; the world's premier : technical IT security event. Modeled after the famous Black Hat event in : Las Vegas! 6 tracks, 12 training sessions, top speakers and sponsors. : Symantec is the Diamond sponsor. Early-bird registration ends September 6.Visit us: www.blackhat.com : -------------------------------------------------------------------------- -- : --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.512 / Virus Database: 309 - Release Date: 8/19/2003
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