networks data security network access control

NAC 2.0: A new model for a more secure future

White Paper As organizations turn to network access control (NAC) technologies to protect their networks and data, the flaws of earlier versions of NAC are becoming apparent. New pressures from a constantly changing threat environment and an increasingly... [15 Jul 2008]

Securing Layer 2 in Local Area Networks

White Paper To secure Local or Metropolitan Area Networks, the IEEE 802.1AE Media Access Control (MAC) Security Task Group has proposed the IEEE P802.1AE Standard for Local and Metropolitan Area Networks: MAC Security (MACsec). [11 Jul 2008]

Cisco's PIX Firewall Series and Stateful Firewall Security

White Paper Routers use packet-filtering technology and Access Control Lists (ACLs) to restrict access to particular computers and networks. With the spectacular growth of the Internet and online access, companies that do business on the Internet face greater... [06 Jul 2008]

Securing Local Area Networks With Firewalls: An Overview of Its Application to Windows NT and Unix-Based Networks

White Paper It addresses the basics of computer network security, its evolution, and the problems faced in securing data over networks where it is desirable to permit access to some users while simultaneously denying others such access. [30 Jun 2008]

A Distributed Firewall for Multimedia Applications

White Paper Firewalls are a widely used security mechanism to provide access control and auditing at the border between "Open" and private networks or administrative domains. As part of the network infrastructure they are strongly affected by the development... [26 Apr 2008]

Cisco Catalyst 4500 Series Optimizes Control of Voice, Video, and Data Traffic for Metro Ethernet Networks

White Paper With the Cisco Catalyst 4500, network operators can now extend control and intelligence to large and small sites at the MAN edge in their EFM networks. These switches deliver integrated resiliency combined with the mechanisms for per-subscriber... [10 Apr 2008]

360 ° Network Access Control With TippingPoint NAC

White Paper Yet, for all of the deployment of perimeter security firewalls, application security gateways, ID management systems, desktop protection software, and other network security devices, major network breaches leading to loss of personal privacy... [28 Feb 2008]

Canadian Hospitals Secure Data Integrity

White Paper Based on Cisco firewalls, virtual private networks, and intrusion detection, the integrated, end-to-end security solution protects the network infrastructure and critical endpoints, controls access, and protects external communications. [10 Jan 2008]

Nortel Network Case Study: Nortel - Converged Mobility

White Paper Nortel deployed converged voice and data to integrate communications into a single platform; remote access using IP VPN to manage cost-effective connections, keeping network access and information secure; multimedia applications and services to... [10 Jan 2008]

Webcast: Controlling Network Access through an SSL VPN

White Paper There is tremendous buzz and confusion about network access control, or NAC. Listen to this on-demand TechRepublic Webcast to hear Infonetics Research analyst Jeff Wilson discuss the key principles underlying NAC and how you can use them to secure... [12 Dec 2007]

On-Demand Webcast: Risk Compartmentalization as a Security Strategy

White Paper Initiate access control programs to limit unauthorized activity Build stronger barriers around sensitive data by setting up security zones throughout the network Learn how to cost effectively implement risk compartmentalization strategies to... [12 Dec 2007]

How closely are you monitoring?

Comment Management and control sessions can be easily analysed to look for after-hours access that doesn't match normal usage patterns," Potter says, adding administrators might be surprised to find out how much peer-to-peer and instant messaging traffic... [10 Dec 2007]

Layer 2 Access Control: Cisco IOS Software 802.1x

White Paper Cisco IOS Software now offers network access control at the media access level (layer 2) through implementation of the 802.1x protocol. Network connectivity is extended to the homes of teleworkers and the offices of business partners through remote... [26 Jul 2007]

Gartner urges business ban on iPhone

News When end users install such tools, they effectively 'punch a hole' through the enterprise security perimeter - data can be moved across applications to personally owned devices, without the IT organisation's knowledge or control. [29 Jun 2007]

Network horror stories expose need for understanding

Comment Anton Grashion, security strategist at Juniper Networks, said: "Having centralised control of your network is crucial. Alex Raistrick, director northern Europe at ConSentry Networks, said: "A flexible workforce, utilising temporary workers or... [12 Apr 2007]

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