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Network Security - Infrastucture Security

Network Access Control (NAC)

Many businesses have already addressed the need for perimeter security using (for example) Firewalls and Intrusion Prevention Systems. But having secured the perimeter, focus is forced internally to the infrastructure. Internal data is often not secured properly because the threat is only perceived to come from outside the perimeter. But how secure is the network and data from accidental and malicious attacks from “within” the company?

WLan Security

Over the past few years the number of installed wireless networks has grown astronomically, but this has led to many new security risks. Wireless LAN (WLan) protocols are inherently insecure and it is relatively simple to sniff wireless traffic and gain access to networks that have not been secured. Frightening statistics show that 90% of large corporate businesses have found at least one rogue wireless device on their network following an audit, and 60% of companies have deployed insecure WLans.

DNS/DHCP/IPAM

Domain Name System (DNS) and Dynamic Host Control Protocol (DHCP) addressing technologies have been around for years, but they are still essential components of modern day networks. But traditional DNS is easy to misconfigure, and DHCP is hard to integrate. IP Address Managament (IPAM), a related subject, is used to provide management and reporting of IP networks, and it is often configured using spreadsheets. These facts all lead to potentially serious network problems and security risks.