Secure Connectivity

This section discusses the secure connectivity element of the Cisco Self-Defending Network.

KEY POINT

Secure connectivity relies on privacy and data integrity.

Ensuring the privacy and integrity of all information is vital to today's businesses. Increased network connectivity results in increased exposure. As organizations adopt the use of the Internet for intranet, extranet, and teleworker connectivity—such as broadband always-on connections— maintaining security, data integrity, and privacy across these connections is a paramount requirement. LAN connections, traditionally considered trusted networks, now also require higher levels of security. In fact, internal threats are said to be ten times more financially damaging than external threats. Preserving the confidentiality and integrity of the data and applications that traverse the wired or wireless LAN needs to be an important part of business decisions.

The Cisco secure connectivity systems use encryption and authentication capabilities to provide secure transport across untrusted networks. To protect data, voice, and video applications over wired and wireless media, Cisco offers IPsec, SSL, SSH, and Multiprotocol Label Switching-based VPN technologies in addition to extensive security capabilities incorporated into Cisco wireless and IP telephony solutions to help ensure the privacy of IP communications.

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