HTTPS vs SSL vs TLS

What they are and what the differences are

Martin Thoma
Jan 17 · 1 min read
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HTTPS, SSL, and TLS are all related to encrypted (“secure”) internet connections. The problem they solve is that a man in the middle could read the data you receive or send. It is clearly an issue when you log in to your bank or when you send messages via Twitter / Facebook that should be private. Similarly, you might not want people to know what you are interested in or what you don’t know when you use Wikipedia.

is short for Secure Sockets Layer. It was released in 1995 in version 2. The latest version, SSL 3, was deprecated in 2015 in favor of TLS.

is short for Transport Layer Security and can be seen as the successor of SSL.

Both, SSL and TLS are encryption protocols on top of HTTP.

is short for Hypertext Transfer Protocol Secure. It can also be called “ or , depending on which protocol you use for encryption.

Protocols on the internet are working on top of each other. You’re not using only one protocol at a time, but many simultaneously. You can use the guarantees they give on the higher levels.

Plain and Simple

Explain concepts in just a few words

Martin Thoma

Written by

I’m a Software Engineer with focus on Security, Data Science, and ML. I have over 10 years of experience with Python. https://www.linkedin.com/in/martin-thoma/

Plain and Simple

Some concepts are hard to put into context. Examples and contrasting the concepts to related ones help

Martin Thoma

Written by

I’m a Software Engineer with focus on Security, Data Science, and ML. I have over 10 years of experience with Python. https://www.linkedin.com/in/martin-thoma/

Plain and Simple

Some concepts are hard to put into context. Examples and contrasting the concepts to related ones help

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