What’s the difference between TLS vs SSL? And is it something you need to worry about?
When it comes to securing online communications, including websites, ecommerce stores, and financial transactions using websites, SSL (Secure Sockets Layer) and TLS (Transport Layer Security) are two terms that often come up.
Many people use them interchangeably, but there are key differences between these protocols. In this blog, you’ll learn the key differences between TLS vs SSL, and why TLS is now the preferred standard.
What Are TLS and SSL?
SSL and TLS are cryptographic protocols designed to secure communication over the Internet. They encrypt data between a user's browser and a web server, ensuring that sensitive information like passwords, credit card details, and personal messages remains private.
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SSL (Secure Sockets Layer): The first widely adopted encryption protocol for the web.
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TLS (Transport Layer Security): The successor to SSL, offering enhanced security and efficiency.
The Evolution of SSL and TLS: A Brief History
Transition to TLS: TLS 1.0 and TLS 1.1
In 1999, TLS 1.0 was introduced as the successor to SSL 3.0, improving encryption and authentication. However, it was later found vulnerable to attacks like BEAST.
TLS 1.1 was released in 2006, enhancing security against CBC attacks. Despite improvements, both versions were deprecated in 2020 due to outdated encryption methods.
The Rise of Stronger Encryption: TLS 1.2
Launched in 2008, TLS 1.2 introduced SHA-256 hashing and removed weaker encryption algorithms, becoming the widely accepted standard for secure communication. It remains in use today across many websites and services.
The Future of Web Security: TLS 1.3
Released in 2018, TLS 1.3 removed outdated cryptographic methods, improved connection speeds, and strengthened security. It is now the most secure and recommended encryption protocol for modern web applications.
Evolution of SSL to TLS
SSL has gone through multiple versions, with SSL 3.0 being the most notable. However, due to security vulnerabilities, SSL was replaced by TLS.
How HTTPS, SSL, and TLS Work Together
When you visit a website using HTTPS, here’s what happens behind the scenes:
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Your browser requests a secure connection.
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A secure handshake occurs, where encryption keys are exchanged.
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The website's server responds with an SSL/TLS certificate, verifying its identity.
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Data is encrypted and transmitted safely between the browser and the server.
This process ensures privacy, integrity, and authenticity, preventing attackers from stealing or modifying your data.
Key Similarities Between TLS and SSL
Despite differences in TLS vs SSL, they share some common features:
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Handshake Process: Both use a client-server handshake to establish a secure connection.
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Encryption: They encrypt data to prevent unauthorized access.
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Certificates: The terms "SSL certificate" and "TLS certificate" refer to the same thing in practice.
SSL VS TLS
| Feature |
SSL (Secure Sockets Layer) |
TLS (Transport Layer Security) |
| Security Level |
Strong encryption, but older standards |
Enhanced security with updated encryption methods |
| Encryption |
Provides solid encryption for secure connections |
Uses stronger encryption algorithms like AES and SHA-256 |
| Speed |
Reliable but slightly slower due to extra processing |
Optimized for faster performance and efficiency |
| Vulnerabilities |
Secure but older versions had some known exploits |
Eliminates outdated cryptographic methods for better protection |
| Handshake Process |
Secure handshake process with authentication |
More efficient handshake, reducing connection delays |
| Deprecation Status |
SSL certificates are still widely recognized and used |
TLS is the recommended protocol, but SSL certificates remain industry-standard |
| Usage Today |
Still used and supported across many platforms |
TLS 1.2 is the industry standard, with TLS 1.3 being the latest version |
| Certificate Naming |
SSL certificates are the industry norm |
Technically, they are TLS certificates, but often still referred to as SSL |
How to Install an SSL/TLS Certificate on Levamo
As soon as you add your custom domain, an SSL certificate is automatically installed - no extra steps are needed! 🎉 Yes, Levamo understands the imperative need for SSL in today's online ecosystem.
That’s why every website hosted with Levamo comes equipped with an SSL certificate, helping your site rank better in search results while ensuring a secure experience for your visitors.
Read More: SSL Certificate Errors
Just make sure your domain is correctly pointed to your server's IP, and once the system confirms the connection, your site will be secured with SSL in no time! 🚀
Final Thoughts
In today’s digital world, security isn’t just a technical requirement - it’s a fundamental expectation. Whether you’re running a personal blog, an online store, or a business website, ensuring that your visitors’ data is protected is essential.
At the end of the day, web security should be simple and seamless. That’s why Levamo takes the hassle out of SSL management - your site gets a free, automatically installed SSL certificate the moment you connect your domain.
There are no manual configurations and no hidden fees, just secure, fast, and reliable hosting so you can focus on what truly matters: growing your online presence with confidence.
Security shouldn’t be an afterthought - it should be built in. And with Levamo, it is. 🚀
