Network Management Strategies for the CIO
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Physical network security key to fighting low-tech threats
Even if a company buys the latest security products and adheres to data security standards, IT professionals must also consider physical network security to close off avenues of potential data leakage. Think outside the box of the standard network se... Article
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Troubleshooting networks: Can vendor software self-install firewalls?
Can firewalls block the use of a shared folder after the installation of a router? Our network security expert troubleshoots this wireless connection problem using these steps. Ask the Expert
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Why are TCP/IP networks considered unsecured?
Learn why TCP/IP networks are considered unsecured from our networking security expert, Michael Gregg. Ask the Expert
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Using OpenSSH for secure network tunnels on Linux
SSH is secure enough to be used across nonsecure private and public Internets. Learn the basics of SSH execution and how to implement and optimize SSH tunnels with Linux. SSH tunneling features allow remote traffic to be sent through the tunnel, expa... Tip
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New PCI compliance rules ban WEP, tighten wireless LAN security
This year's PCI compliance update puts the focus on pesky WEP access points and tightens some unclear language about wireless LAN. Not paying close attention to the details, however, could land retailers in hot water. Article
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How do VPN concentrators and network access servers (NAS) differ?
Find out if there's a difference between a virtual private network (VPN) concentrator and a network access server (NAS) in this explanation from our network security expert, Puneet Mehta. Ask the Expert
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What keeps unauthorized users from accessing my IP address/Internet?
Our network security expert explains how to keep unauthorized users from accessing your router's IP address for Internet access in this advice explaining how proxy servers can solve client control issues. Ask the Expert
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Know the risks of running industrial control systems on IP networks
More IT organizations are starting to run industrial Supervisory Control and Data Acquisition (SCADA) systems over the corporate network to save money and to boost bandwidth. However, these industrial control networks are extremely sensitive. Proper ... Article
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Vyatta offers more robust open source router and security appliance
Vyatta Inc. debuts its third open source router and security networking appliance in less than nine months, edging further into the enterprise space. Article
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Poor data-loss prevention practices almost cost Intel a billion
While Intel's network security logged meticulous employee access data, red flags weren't raised to stop one potential thief until he had made off with the data. Article