Office Communications Server (OCS) is Microsoft’s Unified Communications solutions for enterprises, but as with all UC deployments, applications that enable voice, video, IM, file transfers and application sharing can pose security issues. In this article, we address those concerns and discuss OCS’s built-in security features, configuration choices for best security practices, and integrated software solutions (both from Microsoft and third parties) to add security to OCS.

A unified communications system is vulnerable to such threats as eavesdropping or sniffing, identity/IP address spoofing, RTP replay, and so forth, as well as viruses/worms, man-in-the-middle and denial of service (DoS) attacks. Because the confidentiality and integrity of your communications are critical to your business, it’s essential to protect against all of these threats.

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