# From Plaintext, to BLESS, to Identity: The Evolution of Secure Remote Access

DevFeed: [From Plaintext, to BLESS, to Identity: The Evolution of Secure Remote Access](<https://devfeed.tech/articles/from-plaintext-to-bless-to-identity-the-evolution-of-secure-remote-access-29641.md>)

Original publisher: [Read original article](<https://goteleport.com/blog/evolution-of-secure-remote-access/>)

Author: info@goteleport.com (Leon Fong)

Published: 2026-04-09T00:00:00Z

Content type: article

Language: en

Sources: [Teleport](<https://devfeed.tech/sources/teleport.md>)

Topics: [remote access](<https://devfeed.tech/topics/remote-access.md>), [Security](<https://devfeed.tech/topics/security.md>), [ssh](<https://devfeed.tech/topics/ssh.md>), [Unix](<https://devfeed.tech/topics/unix.md>), [MFA](<https://devfeed.tech/topics/mfa.md>)

Tags: [mfa](<https://devfeed.tech/tags/mfa.md>), [remote-access](<https://devfeed.tech/tags/remote-access.md>), [security](<https://devfeed.tech/tags/security.md>), [ssh](<https://devfeed.tech/tags/ssh.md>)

## AI overview

A historical developer article traces secure UNIX remote access from plaintext telnet and rsh to SSH encryption and key-based login, then discusses the operational risks of long-lived SSH keys. It also describes Netflix's use of MFA and signed SSH certificates as a more secure remote-access approach.

## Source excerpt

A senior Adobe security engineer traces the evolution of secure remote access from telnet to SSH keys, Netflix's BLESS, and modern certificate-based identity.