Networks comprise of an intricate web of interconnected computers, some public and some private that are used on a daily basis to communicate and transact business. This may be among government bodies, private businesses or individuals. The most obvious and glaring example of this is of course the world wide web; but it is just as true of other private networks that enable communication that is publicly accessible. These days network accessibility has become even more widespread with computers, laptops, tablets, and smart phones being part of the picture now.
Network Security pertains to any action taken by organizations to protect and secure their assets responsible for facilitating smooth and seamless operations and processes. This is achieved by identifying threats and then neutralizing them in the most effective manner possible. There are many kinds of threats to network security. These include viruses, Trojan horses and vandals. Data interception and phishing are other threats. Now these can be variously tackled. One could use antivirus software packages, or install network infrastructure that is fully secured.
There is also what we know as virtual private security networks that facilitate data encryption between two different computers that are usually part of the same network. Identification procedures too are of help. Things like passwords, digital certificates, authentication keys, are useful identification tools. Encryption too ensures that information remains unavailable to those who are not permitted to view it. All of these together are vital components of a good network security system.
Organizations that communicate over public networks need to look for means of securing their vital data against unauthorized access. This is essential to protect sensitive information from leaking into the wrong hands. This is done by devising security protocols that allow access only to authorized users. A set of protocols can combine to provide an impregnable wall of network security.
The Internet is not a very secure place really, and you do need some type of security apparatus to stall intruder access. This can be done by creating a public key infrastructure. This erects a system that can confirm the identity of the users of the network and refuse access where public key infrastructure guidelines are not conformed to.
In a nut-shell Network Security is taken extremely seriously and with more and more of the world integrating their processes and operations with the Internet, the stakes involved are much higher than what they used to be. That is why network security has become paramount and no stones are being left unturned to achieve this. The use of deep packet inspection, where the service provider can minutely monitor network traffic and nip any mischief mongering in the bud is one of the most definitive ways being utilized to achieve this.
As we go along, the threats are bound to get increasingly sophisticated, and it is in everyone’s interest to ensure that they stay way ahead of those who would sabotage the routine processes and operations that make their lives run smoothly. Network Security can never be taken lightly.
Author Bio – John Hunt writes and blogs on threats to the Internet. His write ups on Network Security are extensively read.