Internet is called as the biggest library in the world. It is the largest database of any information whether it is art, commerce, science or any topic for which the information can be collected. Along with these advantages, internet is filled with different cyber crimes such as cyber stalking, cyber terrorism, defamation, email fraud, etc.
Basically, cyber crime deals with computers and networks. In addition to this, there are other cyber crimes which covers use of computers by cyber criminals for communication and data storage. Computer technology presents the new challenges to the social policy regarding the security issues such as privacy, data mining and criminal investigation.
With the growth of usage of internet in business, network security is becoming crucial to the development of the internet. Soon, the security will be an integral part of our day-to-day use of the internet and other networks. Network security refers to the protection of networks and their services from unauthorized destruction, disclosure or modification and the provision of certainty that the network can perform its critical functions correctly with no harmful effects. Network security is very helpful to stop the intruders from hacking the data and maintaining the data integrity.
Network security is a complex subject, historically tackled by experienced and well-trained experts. However, more and more people become the netizens, so the increasing number of people need to understand the basics of security of networked world. Today, many network security threats are spread over the internet. The most common threats include Trojan horses, viruses, hacker attacks, spyware, adware, data interception and theft, denial of service attacks, identity theft, etc.
To protect your network from cyber attacks, you can build a secure firewall for the network which may include sentinel software and encryption layer to automatically repel an unauthorized program from gaining the access. Never give your passsword to anyone else to use and change it every few months. The malware and anti-adware programs are available for networks as well as individual computers. The network security refers to any activity designed to protect your network. An effective network security targets the number of threats as well as stops them from entering and spreading on your network.








