From the course: IT Security Foundations: Network Security
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Encrypting data in transit (VPN)
From the course: IT Security Foundations: Network Security
Encrypting data in transit (VPN)
- [Instructor] Today when you click on a hyperlink, you'll want to access a remote resource. In most cases, we must transport data over an insecure network, such as the internet. We access resources in the cloud or remote office via a laptop or home office or on a mobile device in an airport or even another country. As a result, many businesses and consumers use virtual private network, or VPN, technology to transmit data. A VPN is a secure channel or tunnel between two endpoints. It protects your communication and can protect your identity when traversing the internet. VPNs provide confidentiality by encrypting the data, authentication to ensure only authorized entities are communicating, and integrity by detecting any message modification. VPNs can protect at different layers of the OSI model, from the data link all the way to the application layer. Today there are many choices in the ways that you create a VPN. Commonly used VPNs include IPsec, Secure Shell, multi-protocol label…
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