Subramanian, Nalin V., Wagner, Bradley and Khader, Yousef (2004) Handling Encrypted Email at the Gateway of a Network. Technical Report, Computer Science, University of North Carolina, Charlotte.
Protection for email is provided by client side encryption from being read or hacked. But
the security risk in this protection is that it also protects virus from being sensed by the
anti virus software. It also hides the hackerís destructive payload. The encrypted message
canít be examined by any anti virus software rather filtered by content specific filtering
engine. In case of providing perimeter defense for email virus, the network administrator
faces the problem of disclosing the email or denies sending the email. If the email is
allowed then network is not secure, if the message is disclosed then the message privacy
is not maintained. Hence we suggest having an Email Virus Certification Authority
which certifies all the emails sent from the message generating gateway or mail exchange
server. This paper addresses the above problem and provides a theoretical solution for
such security and privacy issue. Simple simulation is also implemented.
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