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  Trend Micro, Inc.                                          May 9, 2014
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         Trend Micro(TM) InterScan(TM) Messaging Security Suite 
                    for Microsoft(TM) Windows(TM) NT 7.1
                        Critical Patch - Build 15460
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


     Contents
     ===================================================================
     1.  Overview of this Critical Patch Release
         1.1 Files Included in this Release
     2.  Documentation Set
     3.  System Requirements
     4.  Installation/Uninstallation
         4.1 Installation
         4.2 Uninstallation
     5.  Post-installation Configuration
     6.  Known Issues
     7.  Release History
     8.  Contact Information
     9.  About Trend Micro
     10. License Agreement
     ===================================================================


  1. Overview of this Critical Patch Release
  ======================================================================
     This critical patch resolves the following issue:
               
     Issue:    The InterScan Messaging Security Suite (IMSS) for 
               Windows NT 7.1 web console is affected by a certain 
               vulnerability. 
               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     Solution: This critical patch resolves the issue by enabling a 
               security filter feature to reject invalid requests.  

     1.1 Files Included in this Release
     ===================================================================

     A. Files for Current Issues
     -------------------------------------------------------------------
        Files for Issue                                                       
     -------------------------------------------------------------------
        File Name                               Build No.
     -------------------------------------------------------------------     
        SessionFilter.class                     7.1.0.1546 
        SessionFilter.class                     7.1.0.1546
        SessionFilter.xml                       7.1.0.1546
        SessionFilter.xml                       7.1.0.1546
        
     B. Files for Previous Issue
     -------------------------------------------------------------------
        Not applicable.


  2. Documentation Set
  ======================================================================
     In addition to this readme.txt, the documentation set for this 
     product includes the following:

     o Installation Guide (IG) -- Provides product overview, deployment
       plan, installation steps and basic information intended to
       help you deploy IMSS smoothly.
      
     o Administrator's Guide (AG) -- Provides post-installation
       instructions on how to configure the settings to help you get
       IMSS "up and running." Also includes instructions on performing 
       other administrative tasks for the day-to-day maintenance of 
       IMSS.

     o Readme.txt files -- version enhancements, basic installation, 
       known issues, and release history. There is one readme for 
       IMSS and one for Spam Prevention Solution, which includes the 
       IP Profiler.

     o Electronic versions of the printed manuals are available at:

       http://docs.trendmicro.com/

     o Online help--Context-sensitive help screens that provide guidance 
       for performing a task.

     o TrendEdge is a program for Trend Micro employees, partners, 
       and other interested parties that provides information on 
       unsupported, innovative techniques, tools, and best practices 
       for Trend Micro products. The TrendEdge database contains 
       numerous documents covering a wide range of topics.

       http://trendedge.trendmicro.com

     o Knowledge Base -- a searchable database of known product issues,
       including specific problem-solving and troubleshooting topics.

       http://esupport.trendmicro.com


  3. System Requirements
  ======================================================================
     Install IMSS for Windows NT 7.1 Patch 3 before applying this 
     critical patch.


  4. Installation/Uninstallation
  ======================================================================
     Note: Install this critical patch only on computers where IMSS 
           Central Controller is installed if you are using distributed 
           deployment mode.

     4.1 Installation
     ===================================================================
     To install this critical patch:
   
     1. Copy the "imss_71_win32_en_criticalpatch1546.0.exe" file to a 
        local folder.

     2. Run the "imss_71_win32_en_criticalpatch1546.0.exe" file.

     3. In the "Setup" screen, click "Install" and follow the onscreen 
        instructions to complete the installation.

        The "Installation successful!" message appears after
        the system completes the installation.

     Note: For rollback purposes, the installation program moves the
           original IMSS files to the following location:

           IMSS71_INSTALL_DIRECTORY\temp\CriticalPatch15460\backup

     4.2 Uninstallation
     ===================================================================
     To roll back to the previous build:
   
     1. Open the 
        "IMSS71_INSTALL_DIRECTORY\temp\CriticalPatch15460\backup" folder.

     2. Run "uninstall.bat" and follow the on-screen instructions to 
        complete the rollback process.
      
        The "Remove installation successful!" message appears after the
        system completes the rollback process.


  5. Post-installation Configuration
  ======================================================================
     No post-installation steps are required.

     Note: Trend Micro recommends that you update your scan engine and  
           virus pattern files immediately after installing this 
           critical patch.


  6. Known Issues
  ======================================================================
     There are no known issues for this critical patch release.


  7. Release History
  ======================================================================

     - IMSS for Windows 7.1, December 1, 2009

     - IMSS for Windows 7.1 Patch 1, November 5, 2010
   
     - IMSS for Windows 7.1 Patch 2, February 1, 2012
   
     - IMSS for Windows 7.1 Patch 3, August 6, 2013

     See the following web site for more information about updates
     to this product:

     http://downloadcenter.trendmicro.com


  8. Contact Information  
  ======================================================================
     A license to the Trend Micro software usually includes the right to 
     product updates, pattern file updates, and basic technical support 
     for one (1) year from the date of purchase only. After the first
     year, Maintenance must be renewed on an annual basis at 
     Trend Micro's then-current Maintenance fees.

     You can contact Trend Micro via fax, phone, and email, or visit us 
     at:
 
     http://www.trendmicro.com
 
     Evaluation copies of Trend Micro products can be downloaded from 
     our web site. 

     Global Mailing Address/Telephone numbers
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     For global contact information in the Asia/Pacific region, 
     Australia and New Zealand, Europe, Latin America, and Canada, 
     refer to:
   
     http://www.trendmicro.com/en/about/overview.htm

     The Trend Micro "About Us" screen displays. Click the appropriate 
     link in the "Contact Us" section of the screen.

     Note: This information is subject to change without notice.


  9. About Trend Micro  
  ======================================================================
     Trend Micro Incorporated, a global leader in Internet content 
     security and threat management, aims to create a world safe for the 
     exchange of digital information for businesses and consumers. 
     A pioneer in server-based antivirus with over 20 years experience, 
     we deliver top-ranked security that fits our customers' needs, 
     stops new threats faster, and protects data in physical, 
     virtualized and cloud environments. Powered by the Trend Micro 
     Smart Protection Network(TM) infrastructure, our industry-leading 
     cloud-computing security technology and products stop threats where 
     they emerge, on the Internet, and are supported by 1,000+ 
     threat intelligence experts around the globe. For additional 
     information, visit www.trendmicro.com.

     Copyright 2014, Trend Micro Incorporated. All rights reserved.
     Trend Micro, the t-ball logo, Smart Protection Network, and 
     InterScan are trademarks of Trend Micro Incorporated and 
     are registered in some jurisdictions. All other marks are the 
     trademarks or registered trademarks of their respective companies.


  10. License Agreement  
  ======================================================================
     Information about your license agreement with Trend Micro can be 
     viewed at: 
 
     http://us.trendmicro.com/us/about/company/user_license_agreements/ 

     Third-party licensing agreements can be viewed:   
  
     - By selecting the "About" option in the application user 
       interface   
   
     - By referring to the "Legal" page of the Getting Started Guide or     
       Administrator's Guide