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Postini Services: Threat Advisory

We’d like to provide you with an update on recent the spam attacks which are occurring in our environment.

Our message security vendor has advised us on high volumes of bogus Microsoft downloader and other messages that contain links to download malware. Spammers have created false Microsoft Outlook notifications and Amazon/World Pay confirmations, and added links that prompt users to download a fake update or invoice.

The security service has detected and blocked the vast majority of these attacks, and continues to release protections to stop the new mutations. Their capture rate is over 99%; however, the attack volumes are so large (in the hundreds of millions of messages) that a 1% passthrough rate means that a few messages may end up in your inbox.

For best security practices, if you see any suspect security notifications or messages:
•    Do not deliver these messages from your Message Center or Quarantine Summary.
•    Delete these messages from your inbox.
•    Do not click on any links in the messages.
•    If you need to access any of the services listed in the email, visit the website directly.
Please be assured that our security service considers virus and spam protection as their highest priority, and continues to be on the cutting edge against new spam attacks and tactics

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