Which encryption protocol provides the most robust protection for sensitive data while it is being transmitted across the Internet?
Secure Shell (SSH)
HyperText Transfer Protocol Secure (HTTPS)
Transport Layer Security (TLS)
Internet Protocol Security (IPsec)
Transport Layer Security (TLS) establishes an encrypted channel that ensures confidentiality, integrity, and authentication for application traffic. It underpins HTTPS, SMTPS, FTPS, and many other Internet services, making it the de-facto standard for end-to-end protection of data in transit. IPsec also offers strong encryption but functions at the network layer and is most often deployed for site-to-site or remote-access VPN tunnels rather than securing individual application sessions. SSH encrypts traffic too, yet its primary purpose is secure remote administration and file transfer, not general web or email traffic. HTTPS is simply HTTP carried inside TLS; the underlying encryption protocol is still TLS, so selecting TLS most accurately identifies the technology that delivers the strongest and broadest protection for sensitive Internet communications.
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