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Importance of Network Security System

Mar 20, 2008
In today's technologically advanced world, computers play a dominant role. No matter you are at work, in studies at college or school, or just enjoying a leisurely time in your home, it is certain that you may either switch on your computer or any other related state of the art devices. The importance of computer is further enhanced by increased usage of the internet.

However, it is important to ensure that while you use the internet you also maintain the good health of the device that has been used for connecting to the web. It is estimated that when you connect your computer network to the internet, you are physically linking your computer to over 50,000 unfamiliar networks as well as their users.

Despite the fact that it can open avenues to a number of useful applications and provide options for information sharing, many of the private networks consist of certain information that should not be shared with outside users on the web, which may sometimes result in application layer attacks, IP spoofing, DNS cache poisoning, password attacks, and man in the middle attacks.

Even though the internet has made security system of computer networks a top priority in many of the mainstream technology periodicals, most of the people across the globe do not know the importance of network security system. Network security system is an essential component of the configuration as well as network management. Implementation of effective network security provides both physical and information security to paths, links, and databases.

Network security is simply a process or action adopted to detect as well as prevent unauthorized usage of your computer. In other words, network security is a technique in the form of some kind of software, which safeguards the primary networking infrastructure from illegal access, malfunction, misuse, destruction, alteration, or improper disclosure. This in turn provides a safe platform for computers, programs, and users to carry out their allowable significant functions within a protected environment.

In short, network security is a prominent feature of the network ensuring accountability, confidentialty, integrity, and above all protection against many external and internal threats such as email based network security problems, denial of service network security attacks, worms and trojans, and wireless network security attacks.

Depending upon the usage of a network, different types of network security software are available. For examples, some of the most suitable options for home users would be security software systems such as firewalls and encryptions. Installing a firewall in your computer is a great way to prevent unscrupulous things from getting into your computer.

Further, a firewall can detect and prevent almost all bad things that cannot be detected by antivirus software. Firewall is available in a variety of forms including personal firewall software, Windows Firewall, and the Windows XP Internet Connection Firewall. Encryption is a method of protecting computer data in such a way that it is readable only if you have the right decoding key. Whether you are accessing an email or an e-commerce site, encryption ensures utmost security of your personal network.

Different types of network security also include authentication, Intrusion Detection System (IDS), email security, and web access control. One of the specialties of authentication is that it prevents authorized users from accidentally accessing other users' resources. Intrusion Detection System (IDS) is designed in such a way that it alerts administrators or system managers to know whether a trouble is from an external or internal source.

IDS may be network-based, application-based, host-based, or anomaly-based. The prime function of an anti-virus is to trace out potential viruses before it reaches the internal servers as well as networks. A good anti virus software can also detect viruses that come with the body of an email as well as attachments. When comes to email security, it is to ensure that not any sensitive information is leaked.

Let it be of any type, an effective network security system can undoubtedly fetch you a host of benefits such as improved productivity, enhanced control and visibility, improved usage of IT resources, utmost protection as well as security of data, and legislative compliance. Adoption of a good network security system also ensures that only right personnel have the right level of access.
About the Author
Datacraft is the leading independent IT services and solutions company in Asia Pacific. Datacraft combines an expertise in networking, security, Microsoft solutions, storage and contact centre technologies, with advanced skills in consulting, integration and managed services, to craft IT solutions for businesses.
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