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Imagine you send a message online
If someone intercepts it, they can read everything
Now imagine the message is converted into a secret code
Even if someone sees it…
They can’t understand it
Only the intended receiver can decode it
That’s exactly what Data Encryption does

Data Encryption is the process of converting readable data (plaintext) into unreadable format (ciphertext)
Only authorized users with the correct key can decrypt it
Type | When Applied | Example |
| At Rest | Stored data | Cloud Storage |
| In Transit | Data transfer | HTTPS |
| In Use | During processing | Secure VM |
| gcloud kms keyrings create my-keyring --location=global gcloud kms keys create my-key \ --location=global \ --keyring=my-keyring \ --purpose=encryption |
This creates an encryption key
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