Microsoft has revealed that they are discontinuing mulitiple products from their ForeFront suite, including TMG and ForeFront Protection for SharePoint.

Here is an excerpt from this Microsoft article:

“We are discontinuing any further releases of the following Forefront-branded solutions:

    • Forefront Protection 2010 for Exchange Server       (FPE)
    • Forefront Protection 2010 for SharePoint       (FPSP)
    • Forefront Security for Office Communications       Server (FSOCS)
    • Forefront Threat Management Gateway 2010       (TMG)
    • Forefront Threat Management Gateway Web       Protection Services (TMG WPS)

For collaboration protection, SharePoint and Lync Servers will continue to offer the built-in security capabilities that many customers use to protect shared documents. For remote access, DirectAccess and Routing and Remote Access Server (RRAS) VPN in Windows Server 2012 provide secure remote access for Windows and cross-platform clients, as well as cross-premise access through site to site VPN. Forefront Unified Access Gateway (UAG) 2010 also continues to provide secure application publishing and cross-platform SSL VPN remote access for a range of mobile devices.
We will continue to provide maintenance and support for the following Forefront solutions through the standard Microsoft support lifecycle (see chart below), but the discontinued Forefront offerings will no longer be available for purchase as of Dec. 1, 2012.”