A comprehensive strategy for security is essential to any UC deployment

A comprehensive strategy for security is essential to any UC deployment, especially given the trends toward

mobility, consumer devices, and social software. At the same time the value of a UC solution increases with wider participation and information sharing, and too restrictive a security policy will limit user adoption. What is needed is a flexible balance between control and access that protects enterprise resources while encouraging open communication. Considerations include:

● Pervasive control: There is no better point from which to enforce security than within the network. The

hosting of essential features such as session encryption, intrusion prevention, and spam blocking is more

easily managed there, as is the ability to trace, identify, and grant or deny access to any resource under

highly granular policy control in real time. The Cisco Unified Communications Solution employs a

comprehensive “defense-in-depth” security framework that has been proven in the most demanding

enterprise environments.

● Pervasive access: The other aspect of control is the need to provide wide legitimate access to the unified

communications solution for users without imposing cumbersome procedures. The Cisco AnyConnect™

secure mobility client is a popular solution for accessing UC services from smartphones such as the Apple

iPhone. It provides secure connectivity in a lightweight customizable download, including an always-on

intelligent VPN, built-in web security, malware defense, compliance validation, smooth handoff between

wired and wireless networks, and much more, with low administrative overhead.

● Survivability: Your UC security considerations should also include the ability to survive an attack from a

worm or virus that may temporarily cripple your servers. The Cisco end-to-end approach encompasses

both the network and the entire telephony system, and guarantees dial tone in even worst-case denial-ofservice (DoS) scenarios, so it is highly likely that the Cisco network and unified communications

capabilities will still be online even if headquarters and WAN links are affected.

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