Solved

Email hacking exchange2010

Posted on 2013-01-14
4
425 Views
Last Modified: 2013-02-24
I have user who send payment details to the supplier.
Few days back I came to know that the mails sent from this user is capturing by somebody over internet and they send email (with different bank account details) from their email address which is similar to our email.
e.g. our email is user1@microsoft.com supplier receive email from user1@microsoftt.com.

The same way when supplier send an email to user1@microsoft.com  it is captured by them and send email from another email (saying our account number is changed please send payments to this account) which is similar to supplier email.
e.g. supplier email address is info@supplier.com but we receive email from info@supplierr.com.

It is like they have created a bridge between servers.
They have captured all the information over internet. How to stop this in such a way they should not be able to view our emails contents and email address.

We have forefront for antispam and cyberoam firewall.


Your help is highly appreciated.

Thanks in advance
0
Comment
Question by:-MAS
  • 2
4 Comments
 
LVL 4

Assisted Solution

by:Nicolus
Nicolus earned 250 total points
ID: 38777209
Read this...  Man In The Middle Attacks almost prepetuate with a compromised system...

https://www.owasp.org/images/4/4b/OWASP_defending-MITMA_APAC2012.pdf

http://wiki.cas.mcmaster.ca/index.php/Man_in_the_Middle_Attack

Apply all your service packs, change passwords, and use encryption.
0
 
LVL 25

Author Comment

by:-MAS
ID: 38777255
Updates are applied.

How to enable encryption on email transactions?
0
 
LVL 9

Accepted Solution

by:
djsharma earned 250 total points
ID: 38777702
You can use Domain Security ,TLS Functionality and Related Terminology in Exchange 2010
http://technet.microsoft.com/en-us/library/bb123543.aspx
http://technet.microsoft.com/en-us/library/bb430753.aspx
0
 
LVL 25

Author Closing Comment

by:-MAS
ID: 38922847
Thanks
0

Featured Post

The Eight Noble Truths of Backup and Recovery

How can IT departments tackle the challenges of a Big Data world? This white paper provides a roadmap to success and helps companies ensure that all their data is safe and secure, no matter if it resides on-premise with physical or virtual machines or in the cloud.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

The next five years are sure to bring developments that are just astonishing, and we will continue to try to find the balance between connectivity and security. Here are five major technological developments from the last five years and some predict…
The related questions "How do I recover the passwords for my Q-See DVR" and "How can I reset my Q-See DVR to eliminate a password" are seen several times a week.  Here we discuss the grim reality of the situation.
The basic steps you have just learned will be implemented in this video. The basic steps are shown to configure an Exchange DAG in a live working Exchange Server Environment and manage the same (Exchange Server 2010 Software is used in a Windows Ser…
To add imagery to an HTML email signature, you have two options available to you. You can either add a logo/image by embedding it directly into the signature or hosting it externally and linking to it. The vast majority of email clients display l…

809 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question