Understanding How SSL Works ⚠️

Let’s talk about SSL shall we? You know that little padlock icon next to a website’s address? That’s your security buddy SSL also known as TLS short for Transport Layer Security.

It’s like a digital bodyguard making sure the data flowing between your computer and the website is secure and protected.

The Need for SSL: A Journey Through the Digital Ages




Remember the early days of the internet? Data traveled through HTTP like an open book for anyone to read.

When eCommerce took off in the 90s we needed a way to keep our credit card details safe.

That’s where SSL came in.

Netscape a pioneer in internet technology introduced SSL incorporating existing digital certificate technology into a secure protocol.

Taher Elgamal often called the “father of SSL” played a crucial role in shaping this concept.

SSL 2.0 emerged in 1995 patching security holes from the original version.

SSL 3.0 followed in 1996 addressing vulnerabilities.

This led to HTTPS (the “S” stands for secure) the ultimate solution for websites handling sensitive data.

Here’s how it works.

Before your computer sends data to a website it initiates a handshake.

The website provides an SSL certificate the browser checks it and then the secure data transfer begins.

Can you imagine a world without this? Secure eCommerce online medical consultations and online tax filing wouldn’t be possible without SSL.

The Evolution of Security: From SSL to TLS

The shift from SSL to TLS marks a crucial step forward in data security.

TLS is the modern enhanced upgrade to the SSL protocol addressing weaknesses found in earlier SSL versions.

One of the challenges with SSL was its reliance on the MD5 hashing function which is now considered insecure.

This vulnerability made it possible for hackers to intercept communications making it a security risk.

The name change from SSL to TLS was largely driven by political considerations.

Netscape initially developed SSL and to avoid a monopoly the industry adopted the term TLS.

Though SSL and TLS are often used interchangeably TLS is technically the official name for the certificate.

The current and most secure version is TLS 1.3. There are three types of certificates each with different levels of validation:

  • Domain Validation (DV): This is the most basic type confirming that you own the domain.
  • Organization Validation (OV): This verifies your organization’s existence and legitimacy.
  • Extended Validation (EV): This is the highest level verifying your organization’s legal status and requiring additional checks.

A Look Ahead: The Future of TLS

TLS version 1.4 is in development and expected to introduce post-quantum encryption.

This is important as quantum computers pose a potential threat to current encryption methods.

TLS 1.4 is also tackling security challenges related to the Internet of Things (IoT). With the rise of smart devices robust cybersecurity is critical to protect our data.

HTTPS: The Secure Way to Share Data

So what makes HTTPS different from HTTP? HTTPS combines the familiar HTTP protocol with encryption and verification ensuring data is secure and reaches its intended destination.

That little padlock icon is your assurance of a safe connection.

SSL protects your online interactions.

With regular HTTP hackers could easily access your connection and view your data.

With HTTPS your data is scrambled and incomprehensible without the encryption key.

This is essential for websites handling sensitive information such as medical financial or legal services.

SSL lets you share personal information online without worry.

The Consequences of Neglecting SSL

The consequences of neglecting user privacy can be significant.

At the very least you could face reputational damage.

Users may see a warning message that your website is not secure leading to a loss of trust.

In some cases you could face fines and legal repercussions.

Search engines favor websites that prioritize security.

John Mueller a Google Search Analyst emphasizes that while SSL doesn’t directly boost SEO rankings it is a factor that shouldn’t be ignored.

Not using SSL can create SEO issues.

Beyond SEO rankings SSL/TLS improves website credibility trustworthiness and user satisfaction.

When a website lacks security it can significantly impact its reputation user trust and overall traffic.

Pressable’s Commitment to Website Security

At Pressable we understand the importance of website security.

We offer free SSL certificates powered by Let’s Encrypt protecting your users’ data and improving your website’s SEO.

Our 24/7 support team is here to help if you have any SSL issues.

We are dedicated to keeping your website secure and SEO-friendly.




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