TLS Is a Channel, Not a Vault
Differentiate TLS channel protection from storage and application access controls.
TLS is channel security. Do not ask it to do the job of storage security, access control, or logging hygiene. What TLS gives you TLS lets client and server negotiate a protected channel. It authenticates the server in normal web use, derives shared traffic keys, and protects application data records from network eavesdropping and tampering. What TLS does not give you TLS does not automatically encrypt a database row, a downloaded CSV, an object-store backup, or a debug log. Once data reaches a server that must process it, the application can usually see the plaintext. That is expected for many…
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