A Review on Network Security Threats and Solutions

Security is a fundamental component of every network design. When planning, building, and operating a network, you should understand the importance of a strong security policy. Network Security is a security policy that defines what people can and can't do with network components and resources. The fundamental purpose of a network security is to protect against attacks from the Internet. There are many different ways of attacking a network such as: Hacker/Cracker attacks whereby a remote Internet user attempts to gain access to a network, usually with the intention to destroy or copy data. The major attacks to network security are passive attack, active attack, distributed attack, insider attack, close: in attack, Phishing Attack, Hijack attack, Password attack etc. However a system must be able to limit damage and recover rapidly when attacks occur. So there are various solutions when any of above attacks occurs. Some of the common solutions of these attacks are firewalls, user account access controls and cryptography, Intrusion Detection Systems (IDSs), Network Address Translation (NAT), Stateful Packet Inspection etc. It is always said that ?Prevention Is Better Than Cure? some most common preventions that can be taken to be secured are to keep your operating system updated and by using a reputable antivirus program. [1]