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NAC: Controlling access to your network

Author: Yogi Parmar| Date: 31 July 2007| Tags:  Company reputation, Financial fraud, Hacking
NAC: Controlling access to your network
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Have you heard the one about the printer repair technician and the malware outbreak?... A seemingly harmless printer repair technician arrived at the premises of Company X.

Needing to download the fix from the internet, the technician unplugged the printer from the network and plugged in his own laptop. The technician wasn't trying to spy on the company or steal confidential corporate information, just download a legitimate program.

Was the printer fixed? Probably, but Company X was hit by a bigger problem - a major worm outbreak, resulting in significant business and financial loss.  And where did the threat come from?  The technician's infected laptop.

As technology and business requirements continue to evolve, IT administrators are having to revisit their security set-up more often.  Gone are the days when a company would have a network of machines, located in a building under lock and key, guarded by perimeter-based security. 

Today, companies are opening up their network to remote workers, guest users, partners and offering wireless connectivity.  As organisations’ networks are becoming more exposed they must look to secure these new gaps in the boundaries. 

Securing networks through control

IT administrators need to implement a solution that will allow flexible working practices, without compromising the organisation's network.  Only trusted machines, with up-to-date protection should have access to the network.  Welcome to the world of Network Access Control (NAC).

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