Network Security

In this article we will discuss Network Security, will make brief discussion on Network Security, In last article we discuss about NS2.

Network security is any activity designed to protect the usability and integrity of your network and data. It includes both hardware and software technologies. Effective network security manages access to the network. It targets a variety of threats and stops them from entering or spreading on your network.

Network security consists of the policies and practices adopted to prevent and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources.

Some of the many types of network security available include distributed denial of service (DDoS) attack prevention, firewalls, email gateways, intrusion prevention/detection system (IPS/IDS), security information and event management (SIEM) systems, network access control (NAC), virtual private networks (VPNs).

The network needs security against attackers and hackers. Network Securityincludes two basic securities. The first is the security of data information i.e. to protect the information from unauthorized access and loss. And the second is computer security i.e. to protect data and to thwart hackers.

Despite the many benefits of using networksnetworking raises a greater potential for security issues such as: data loss. security breaches. malicious attacks, such as hacking and viruses.

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