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IT security

Key points in modern security

  • Firewall - a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies.

  • VPNs - virtual private network (VPN) extends a private network across a public network, and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network.

  • WLAN switching - A WLAN typically extends an existing wired local area network. WLANs are built by attaching a device called the access point (AP) to the edge of the wired network.

  • Linux - operating system that is far more secure than Windows and is open source.

  • Linux terminal server - A terminal server, also sometimes called a communication server, is a hardware device or server that provides terminals, such as PCs, printers, and other devices, with a common connection point to a local or wide area network (WAN)