An introduction and overview of enterprise network security

This article covers an overview of the products and technologies that help maintain network security. We would see small introduction to firewalls, anti-virus, anti-spam, content filtering in email, URL web filtering, Intrusion Prevention Systems (IPS) and UTM (Unified Threat Management).

What is exciting about Network Security?

Today’s network security products enable us to be excited about the level of protection that enterprise networks can avail against hackers, external attacks, intrusions, malware, viruses and content theft and make enterprise networks secure from external and internal threats.

¤ Firewalls help keep unauthorized users from accessing the network, they also help determine network access levels – who can access which network services (Like blocking internet to certain users etc).
¤ Anti-virus technologies work at the desktop level and gateway level (Email filtering) to ensure that harmful viruses do not spread into the corporate network.
¤ Anti-Spam technology helps the productivity of the user by filtering the unwanted spam messages out of their inbox.
¤ Content filtering helps companies ensure that important data is not leaked out by the employees via the emails and URL filtering ensures that the users are not allowed to view certain websites which may bring the productivity down or other websites that are obscene.
¤ Intrusion Prevention Systems deal with more serious network intrusion threats and UTM systems bring all the above and some more features to the gateway of the network via a single device.

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