From the course: CompTIA Advanced Security Practitioner (CASP+) (CAS-004) Cert Prep

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Data encryption

Data encryption

- When it comes to data security, one of the most tried-and-true methods is to use data encryption. Now, in this lesson, we're not going to do a full review of all the different encryption types because you should already know that from your Security+ studies. Instead, we're going to focus our efforts on the concepts surrounding encryption, as opposed to specific technical implementations and algorithms like DES, IDEA, or AES. We're going to first talk about two different types of data in your systems, unencrypted and encrypted, and the three different data states that information may pass through during its creation, usage, and storage. First, it's important to remember that data can be in your systems and exist as either unencrypted or encrypted data. Now, unencrypted data is any data that remains in an easily viewable or accessible format. This is also known as cleartext or plaintext data. This data is stored, transmitted, or processed in an unprotected format that anyone can view…

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