Chapter 6

  This chapter focused on cybersecurity concepts, cryptography technology, and risk management. First, I learned that a thread is defined as an act or object that endangers an asset. The chapter focused on logical threads. These threads are categorized in secrecy (unauthorized data disclosure), integrity (data changed), and necessity (delays or denials). Second, I learned that there is a discipline called cryptography which is the study of ways to secure information.

   To continue, the most common practice of cryptography is encryption. For a long time, I have thought of encryption like some kind of password embedded in data. However, now I understand that encryption actually uses an algorithm to transform information (plain text) into a string of unreadable characters (cipher text). Since information travels over the Internet in pieces, intercepting a packet of encrypted data is like randomly finding a CPU on the ground. By itself, it does absolutely nothing.