Network Security

Network security is a very important part of information technology. It consists of the provisions and policies adopted by a network administrator to prevent and monitor unauthorized access, misuse, modification and network-accessible resources. Network security involving authorization of access to data in a network, which is controlled by the network administrator. Usually, the types of network securities are :



Computer access control


Computer access control is include authorization, authentication, audit and access approval. Authentication and access control are often combined into a single operation, so that access is approved based on successful authentication, or based on an anonymous access token

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Network analyzers


The Network analyzer is also known as five names these are – sniffer, packet sniffer, traffic analyzer, packet analyzer and protocol analyzer. A network analyzer is a combination of and programming, or in some cases a stand-alone device, that can be installed in a computer …

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Antivirus software


Anti virus software sometimes known as anti-malware software. Antivirus software in present day also known as AV. Antivirus software is computer software used to prevent, detect and remove malicious software. Antivirus software was originally developed to detect …

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Email Authentication


Email authentication is a way to ensure that an email provider will be able to recognize the sender of an incoming message and fight spam and abuse. Email authentication is a collection of techniques aimed at equipping messages of the email transport system with verifiable…

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Computer Security Exploits


The Computer security exploit is a piece of software, a chunk of data, or sequence of commands that take advantage of a glitch, bug or vulnerability in order to cause unintended or unanticipated behavior to occur on computer software, hardware, or something electronic…

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Firewall software


The firewall software is a network security system that controls the incoming and outgoing network traffic based on an applied rule set. A firewall make a barrier between a trusted, secure internal network and another network. Distribution of Firewall are …

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Internet Security


Internet security is a branch of computer security that deals specifically with Internet-based threats. The Internet represents an insecure channel for exchanging information leading to a high risk of intrusion or fraud, such as phishing. So its objective is …

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Network Mappers


Network mappers are a type of software noticeably different from network analyzers, and network enumerators. They are used to find out the servers and operating systems run on them of internet-connected networks. Network Mappers are two types…

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Spam filtering


A spam filter is an email service feature designed to block spam from a user’s inbox. Because a large amount of global email messages are spam, effective spam filters are critical to maintaining clean and spam-free inboxes.

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Virtual private networks


A virtual Private Network Short form is VPN. The VPN is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or individual users with secure access to their organization’s network

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