Why not decrypt TLS traffic for inspection?

Decryption gives payload visibility, but it means running an interception point that holds keys, installing an interception certificate on every device, and handling decrypted content that may include personal data. Since TLSTLS: Transport Layer Security. The encryption that protects most internet traffic, such as HTTPS. 1.3, a passive sensor can no longer decrypt sessions with a copy of the server's private key.

This answer also appears, with more context, here: Encrypted traffic analysis

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