Our modern applications make extensive use of cryptography. In this video, you’ll learn the basics of cryptography and some of the history of ciphers and secrecy.
Physical access to a network can be a significant security concern. In this video, you’ll learn how to protect your physical network interfaces using configuration settings and access control software.
If you need to allow or restrict access to a file or a network resource, then you need an access control list. In this video, you’ll learn about ACLs and how they are used to set access rights to your network resources