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Authenticated, encrypted channel established using TLS (often via HTTPS).

Definition

A secure connection typically means an authenticated, encrypted channel negotiated with TLS, providing confidentiality and integrity for data in transit and helping prevent interception and tampering.

In plain English Authenticated, encrypted channel established using TLS (often via HTTPS).

Why this matters

Why it matters: Without a secure channel, attackers can perform man-in-the-middle attacks and steal session tokens or credentials.

Example

Example: Browser verifies certificate, negotiates TLS, then transmits cookies and form data over the encrypted channel.