Internet Security is related to the rules and regulations that have been established with the sole purpose to protect the Internet against various kinds of viral attacks. As the large number of computers is the part of this world wide network, hence internet security is the issue that requires a major fraction of the attention. Internet is often characterized as an insecure medium for networking which involves a great deal of risk and contingency.
There are various methods that can be adopted to protect your computer against the deadly malicious attacks. The most common of all is the use of the firewall. Firewall plays a vital role in internet security approach. The Firewall mainly consists of two components i.e. filters and gateways which are used to provide access between the two networks. Firewall also serves the purpose of controlling the traffic in a network and helps to reduce the collisions. Firewall acts as a router between the HTTP and SMTP. Each incoming or outgoing packet must pass through the firewall. It imposes criteria; the packets which can follow those criteria are allowed to pass through while the other is attenuated by firewall.
The other means of providing Internet security is the use of malicious antivirus and software. It is software that has been established to provide the access to a computer system against the attacks of viruses and other digital pests. However you need to be careful while installing an antivirus, even a single mistake can direct to the security breach. This approach of internet security is not considered to be reliable because even a useful and sophisticated antivirus can have some flaws. Buffer overflow protection is an effective measure to provide internet security. Another security system which is capable of providing the ameliorate results is DNS Server. Its main objective is to guide the data to the desired web addresses.