CompTIA Security+ SY0-201 Practice Questions Exam Cram, Second Edition

Chapter 5. Domain 5.0: Cryptography

Recently, modern cryptography has become increasingly important and ubiquitous. There has been increasing concern about the security of data, which continues to rapidly grow across information systems and traverse and reside in many different locations. This combined with more sophisticated attacks and a growing economy around computer-related fraud and data theft makes the need to protect the data itself even more important than in the past. A public key infrastructure (PKI) makes use of both public and private keys. It also provides the foundation for binding keys to an identity via a certificate authority (CA), thus providing the system for the secure exchange of data over a network through the use of an ...