Security Management Strategies for the CIO
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NAC security guide: How to achieve secure network access in the enterprise
This multi-part network access control (NAC) security guide covers a variety of NAC-related topics, offering tips and expert advice on how to thoroughly secure network access to the enterprise. Learning Guide
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How to compartmentalize WiFi traffic with a VLAN
Virtual LANs have long been used within enterprise networks to create logical workgroups, independent of physical location or LAN topology. This tip describes how to use these same VLAN capabilities, found in both wired and wireless devices, to tag a... Security School
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Lesson/Domain 5 -- Security School: Training for CISSP Certification
Security School webcasts are focused on CISSP training. This lesson corresponds to the telecommunications and networking domain in the CISSP exam's "Common Body of Knowledge." School
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Microsoft NAP-TNC compatibility won't speed adoption, users say
Users hail the new compatibility of Microsoft NAP and the Trusted Computing Group's TNC architecture. But they say it won't speed up their adoption timetables. Article | 21 May 2007
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Hackers have knack for beating NAC systems
Black Hat: Network access control systems are widely used by enterprises to remediate client access to internal networks, but experts say many NAC systems can be easily bypassed. Article | 10 Aug 2006
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NAC helps aerospace firm's network blast off
An aerospace firm needed to protect sensitive data and make it available to guests, contractors and partners from other companies, and a NAC product featuring separate VLANs did the trick. Article | 26 Jul 2006
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How to use compliance automation to reduce compliance risk
Tony UcedaVelez offers tips for automating compliance tasks to reduce IT security and compliance risk while easing the pain of arduous compliance audits. Tip
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How to configure a VLAN to achieve the benefits of VLAN security
Expert Brad Casey explains how to configure a VLAN in order to achieve the benefits of VLAN security, including protection against insider attacks. Tip
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Defense-in-depth security: How to establish an ultra-redundant network
Matthew Pascucci discusses layered security, explaining how to apply defense-in-depth principles toward an ultra-redundant network security posture. Tip
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How to maintain network control plane security
Use access control lists and secure configurations to maintain the security of your organization's network control plane. Tip
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How to build security into a virtualized server environment
Virtualization is a transformative technology, and while virtual servers promise to increase efficiency in the enterprise, some key security implications are often going ignored. Contributor Thomas Ptacek outlines the security issues in today's virtu... Tip
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Popular VLAN attacks and how to avoid them
Learn how to secure a VLAN from popular attacks such as the VLAN hopping attack. Tip
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Segmenting a LAN to isolate malware
The disadvantages of segmenting a LAN to isolate a worm or virus, and alternatives for keeping malware off a network. Tip
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VLAN security
There is more to VLAN security than you think. Tip
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Secure LAN Switching
This chapter focuses on the Cisco Catalyst 5000/5500 series switches. We will discuss private VLANs in the context of the 6000 series switches. Tip
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The fundamentals of designing a secure network
When designing a secure network segmentation, monitoring, logging and encryption should be a priority. Matt Pascucci explains in this expert Q&A. Answer
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Cloud endpoint security: Considerations for cloud security services
Mike Chapple details discuses considerations for using cloud security services, specifically cloud endpoint security. Answer
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How to securely connect a LAN POS to a remote point-of-sale device
Looking to connect your LAN POS securely to your remote point-of-sale device? Mike Chapple, network security expert, explains how to use encryption and a VPN to lock down this connection. Ask the Expert
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How should service providers address VoIP security issues and threats?
Many VoIP providers do not offer encryption services due to the difficulty inherent in encrypting voice traffic. Network security expert Mike Chapple explains what you can do to secure voice over IP networks. Ask the Expert
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Server considerations for internal network application setup
Looking to offer private applications to users on an internal network? In this expert response, Mike Chapple explains why you shouldn't use the same server that provides public applications. Ask the Expert
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How to secure a wireless LAN
Ask the Expert
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VLAN hopping (virtual local area network hopping)
VLAN hopping (virtual local area network hopping) is a method of attacking a network by sending packets to a port at a network end point that is not normally accessible to the sender. Definition
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The fundamentals of designing a secure network
When designing a secure network segmentation, monitoring, logging and encryption should be a priority. Matt Pascucci explains in this expert Q&A. Answer
-
How to use compliance automation to reduce compliance risk
Tony UcedaVelez offers tips for automating compliance tasks to reduce IT security and compliance risk while easing the pain of arduous compliance audits. Tip
-
How to configure a VLAN to achieve the benefits of VLAN security
Expert Brad Casey explains how to configure a VLAN in order to achieve the benefits of VLAN security, including protection against insider attacks. Tip
-
Defense-in-depth security: How to establish an ultra-redundant network
Matthew Pascucci discusses layered security, explaining how to apply defense-in-depth principles toward an ultra-redundant network security posture. Tip
-
NAC security guide: How to achieve secure network access in the enterprise
This multi-part network access control (NAC) security guide covers a variety of NAC-related topics, offering tips and expert advice on how to thoroughly secure network access to the enterprise. Learning Guide
-
Cloud endpoint security: Considerations for cloud security services
Mike Chapple details discuses considerations for using cloud security services, specifically cloud endpoint security. Answer
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How to maintain network control plane security
Use access control lists and secure configurations to maintain the security of your organization's network control plane. Tip
-
How to securely connect a LAN POS to a remote point-of-sale device
Looking to connect your LAN POS securely to your remote point-of-sale device? Mike Chapple, network security expert, explains how to use encryption and a VPN to lock down this connection. Ask the Expert
-
How to compartmentalize WiFi traffic with a VLAN
Virtual LANs have long been used within enterprise networks to create logical workgroups, independent of physical location or LAN topology. This tip describes how to use these same VLAN capabilities, found in both wired and wireless devices, to tag a... Security School
-
How should service providers address VoIP security issues and threats?
Many VoIP providers do not offer encryption services due to the difficulty inherent in encrypting voice traffic. Network security expert Mike Chapple explains what you can do to secure voice over IP networks. Ask the Expert
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About VLAN Security Management
In this resource guide, get advice on how to setup a VLAN network to improve security, VLAN configuration of switches and ports, as well as how to protect your network from VLAN attacks.