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According to Wikipedia, Network security consists of the provisions and policies adopted by a network administrator to prevent and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources. The administrators of the network have the sole rights to assign access privileges to various users of the network so that unwanted people cannot use a private network.
Unified Threat Management – UTM is one of the most comprehensive network security solutions to have emerged recently in the market and has gained rapid popularity because of the multiple security functions which it lets you perform, starting from network firewalling, network intrusion prevention and gateway antivirus (AV), gateway anti-spam, VPN, content filtering, load balancing, data leak prevention and on-appliance reporting.
Alliances – Checkpoint, Fortinet, Cyberoam, Sonicwall
NIPS – Network Intrusion Prevention System is a pro-active network security solution which can identify potential attacks as well as diagnose them by taking various measures ranging from changing firewall settings, blocking particular Internet protocol (IP) addresses or dropping certain packets entirely.
Alliances – IBM, RADware, McAfee
NAC – Network Access Control is a set of rules and policies that defines how an end point device is supposed to establish a secure connection to a network. The NAC governs the network accessibility of every single individual user based on the role assigned to him and the health check status of his end point device.
Anti Spam – These softwares are meant to identify spam emails and prevent them from making their way into your inbox without misidentifying a legitimate email as a spam.
Alliances – Trend, Ironport, Symantec, Websense
Data Leakage Prevention – Data being transmitted over a secured network can get lost and come under the possession of a third party thereby jeopardizing the security of an organization. Network DLP helps monitor and prevent the leakage of sensitive and confidential information from a private network.
Web Security – The procedures and practices followed to ensure protection of web servers, web users and the organizations they are associated with.
Alliances – Websense, Trend, Symantec
Antivirus – It is a software which is used to identify and remove computer viruses, malware, rootkits, malicious adware, spyware and so on and so forth.
Alliances – Trend, Symantec, Kaspersky, McAfee
Data Leakage Prevention – Just like network DLP work on a network, end point DLP runs on end user workstations and controls flow of information between different individual users or groups. It also helps in controlling communication and instant messaging between two users within the network.
Alliances – Trend, Symantec, Websense
Full disk encryption – Full Disk Encryption Software provides automatic security for all information on endpoint hard drives, including user data, operating system files and temporary and erased files. For maximum data protection, multi-factor pre-boot authentication ensures user identity, while encryption prevents data loss from theft.
Alliances – Checkpoint, Symantec