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Network security consists of the policies, processes and practices adopted to prevent, detect and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources. [1] Network security involves the authorization of access to data in a network, which is controlled by the network administrator ...
Network access control (NAC) is an approach to computer security that attempts to unify endpoint security technology (such as antivirus, host intrusion prevention, and vulnerability assessment), user or system authentication and network security enforcement.
Networking hardware typically refers to equipment facilitating the use of a computer network. Typically, this includes routers, switches, access points, network interface cards and other related hardware. This is a list of notable vendors who produce network hardware.
The Network Security devices are categorized as Unified Threat Management (UTM), where a single device provides multiple security features. The devices include WatchGuard Dimension, a network discovery tool that allows administrators to identify devices on the network, including mobile devices; and WatchGuard Cloud, giving the devices access to ...
An intrusion detection system (IDS) is a device or software application that monitors a network or systems for malicious activity or policy violations. [1] Any intrusion activity or violation is typically either reported to an administrator or collected centrally using a security information and event management (SIEM) system.
This enhances security by enabling more granular control over who can access certain network resources, regardless of where they are connecting from or what device they are using. The User ID technology is typically integrated into firewall systems through the use of directory services such as Active Directory , LDAP , RADIUS or TACACS+ .
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