What is SSL certificate? - Why is it important?


Why you should have an SSL certificate?

20/06/2016 SSL Certificate is a guarantee of security on the Internet. This is especially important now – in the time of most transactions over the Internet, booking tickets and leaving sensitive personal information in numerous websites. Many companies have already implemented this certification, thus providing a clear signal to their customers that their data is fully protected and secure. One thing is certain: the SSL certificate is worth having, and here are 10 facts about this solution that will prove it. What does SSL mean? This is an abbreviation of the English word Secure Socket Layer and has a long tradition. It was invented in 1994 by Netscape. It is used to transmit encrypted data between the user’s computer and the server. Very quickly became a very popular solution. Why? The answer lies not only in the guarantee of safety, but also in the simplicity of operation and installation. SSL is chosen by many companies and institutions for whom their customers’ data security is a priority. The SSL certificate gives a clear signal to clients that their data is fully protected and secure. CLICK TO TWEET Despite the popularity of SSL, many people are still not aware of exactly what this certificate is and who it is intended for. Not sure if, when and how to install SSL certificate on your site? Or are you not convinced of the benefits of implementation? This article will explain all issues related to SSL certificates.

What is the SSL certificate?

SSL has one main purpose – it guarantees data security while it is being forwarded, using AES encryption. HTTPS data is secured by TLS (Transport Layer Security), which provides three-tier protection by: Encrypting exchanged data. They are fully confidential and secure. Data Integrity. Data can not be altered during the transfer by third parties or this change is automatically detected. Users are confident that they are browsing the site they choose, rather than being redirected to another, false, but deceptively similar site. How to check if a website is SSL certified? For visitors to the site, the information that they have an SSL certificate, and therefore the security certificate, is visible at https: //example.com (‘https’, as opposed to ‘http’, uses SSL). Depending on the company offering security certificates, a padlock icon, a green address box, or another character may appear.

3 types of SSL certificates

Are you wondering which SSL certificate to choose? Taking into account the type of validation and validation of SSL certificates, they can be divided into 3 groups:

1. Domain Validation (DV) certificates – Basic authentication – encrypts the transmission of information in a certified domain. When issuing a certificate, it is checked whether the applicant company has the right to use the domain, but the data is not verified.

2. OV (Organization Validation) Certificates – Enhanced Authentication – Encrypts transmission of information in a certified domain, protects against pinging, or eavesdropping. When issuing a certificate, it is verified whether the applicant company has the right to use the domain and also checks the company itself. It is necessary to provide, for example, an extract from the National Court Register or a company agreement. The company name will be displayed in the details of the issued SSL certificate. To display the company name, click on the security seal, for example: a padlock icon.

3. Extended Validation (EV) Certificates – Full Authentication. The EV class signifies the strongest verification of the identity of the SSL certificate vendor. Before the certificate is issued, the applicant authority is checked: legal status, physical presence, actual activity, compliance with official data, right to use the domain. In browsers, more specifically in the address bar, there is an additional indication of this SSL certificate in green color. As with OV certificates, details of the SSL certificate are displayed in the details of the issuing company. This type of certificate was recently introduced on CMS, see what it looks like :

SSL certificate – is it worth it?

Before you know what the benefits of SSL implementation are, check that you are interested in this solution. Here the rule is simple: the certificate should be implemented on all sites that in any way exploit or process widely understood visitor data. As mentioned, SSL secures any information that flows between the visitor’s computer and the server and database of the site. Do you have a form where you collect data, sign up for an account, and login to your site? Do you shop online and therefore your service supports payments? SSL certificate is necessary !

These are the specific types of websites that should be SSL-certified:

  • online stores, auction sites, and similar sites that allow you to make payments on the Internet,
  • banks
  • medical sites,
  • visiting appointments, and online patient cards,
  • school / university services, virtual journals or an index, and also allows you to manage your schedule,
  • official sites, and public administrations, allowing users, for example, to send and complete documents, requests, declarations, e-mail applications,
  • pages that offer users profiles and accounts. private data – names, e-mail addresses) .


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