Lesson 10-Infrastructure Security. Background. In the CIA of security, the “A” for availability is often overlooked. A failure allows unauthorized users to access resources and data. This compromises integrity or confidentiality.
Devices that connect end-user devices together to allow them to communicate.
Three main kinds:
VPN is an encrypted connection that appears dedicated.
Data is encrypted at both ends
Offers secure, reliable connectivity
A coax connector
A typical fiber optic fiber
Tunneling across a public network