Security Update Instructions

(How to download your Digital Certificate)

Access to the subscriber options on the left side of this screen will become available once your Digital Certificate has been successfully installed.  You will have access to the information to which your company subscribes and also which your user account has been granted permission to access.

Downloading the Digital Certificate involves a three step process.  You will be guided through this process – but ensure you complete all three steps:

Step 1 - Download the instructions from the Nielsen website (you may want to print these instructions).

Step 2 - Setup your digital certificate.

Step 3 - Select your password and validate your digital certificate.

The personalized email communication which you would have received from Nielsen Media Research contains 2 personal identifiers (Secret #1 and Secret #2) that you will need to reference when using the following instructions.


Step 1

Please select the browser that you are currently using from those listed below:

Internet Explorer for Windows-based PC

Netscape Communicator / Mozilla for Windows-based PC


Supported Web Browsers and Display Settings

To provide optimal security for our data and to assure compatibility, Nielsen Media Research recommends the use of Microsoft's Internet Explorer version 5.5 or higher, or Netscape Communicator Version 7 or higher web browser software to access the protected data and information offerings.  128-bit high encryption is also required which can be downloaded from Microsoft at the following address: 

It is also recommended that a minimum screen resolution of 1024 x 768 pixels, running True Color (24-bit) be used while viewing the Nielsen Media Research pages.

If you experience any technical difficulties, please contact our Technical Support Line at (905) 940-5472 and a representative will be pleased to assist you.