From the course: CompTIA Tech+ (FC0-U71) Cert Prep

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User data encryption

User data encryption

- Today we will take a look at data and encryption. Encryption is an important security concept when connecting with the world throughout technology. If you don't want to share your information with the world, you will want to encrypt it. That's where encryption comes into play. In order to understand encryption, we need to understand the terms plaintext and ciphertext. First plaintext is as it sounds. Plaintext is easily observed letters and symbols that most people can read and understand. This is not secure though. If you need to protect information like personally identifiable information or PII, you would not want to store it in plaintext. For example, I would not want to have a spreadsheet filled with employee names and their social security numbers that are unencrypted. That is not good practice. So I would need to employ some sort of encryption method in order to hide the data that I do not want to share. Ciphertext is encryption in its most basic form. An encryption algorithm…

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