The Polymathic Engineer

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The Polymathic Engineer
Understanding TLS: how data stays secure over the internet

Understanding TLS: how data stays secure over the internet

How the TLS protocol works under the hood and why it's important.

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Franco Fernando
May 16, 2025
∙ Paid
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Understanding TLS: how data stays secure over the internet
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Hi Friends,

Welcome to the 122nd issue of the Polymathic Engineer newsletter.

If you have ever thought about how your credit card information gets sent safely or your messages stay private over the internet, part of the answer is the transport layer security protocol (TLS).

This week, we discuss such protocol in detail:

  • What is the TLS protocol

  • The Three P…

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