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What is the difference between HTTP and HTTPS?

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  • Post last modified:March 8, 2024

It’s imperative to understand the distinction between HTTP and HTTPS when browsing the internet. These acronyms stand for Hypertext Transfer Protocol and Hypertext Transfer Protocol Secure, respectively. The primary difference between the two lies in the added layer of security that HTTPS provides.

HTTP is the standard protocol used for transferring data over the internet. Websites that use HTTP transmit data in plain text, which means that the information exchanged between the user’s browser and the website’s server is not encrypted. This lack of encryption makes HTTP connections susceptible to interception by hackers, who can potentially access sensitive information such as login credentials, credit card details, and personal data.

On the other hand, HTTPS ensures a secure connection by encrypting the data transferred between the user and the website. This encryption is achieved through the use of SSL/TLS protocols, which establish a secure channel that protects the integrity and confidentiality of the transmitted information. Websites that use HTTPS have an SSL certificate installed, which is verified by a Certificate Authority to confirm their identity and provide assurance to users that they are interacting with a legitimate site.

When a user visits a website using HTTPS, their browser displays a padlock icon in the address bar, indicating that the connection is secure. This visual cue instills trust in the user and signals that their data is being protected from prying eyes. In contrast, websites using HTTP do not have this added layer of security, leaving users vulnerable to potential cyber threats.

Another key difference between HTTP and HTTPS is how they handle data privacy and compliance. Many regulations, such as the General Data Protection Regulation (GDPR) and the Health Insurance Portability and Accountability Act (HIPAA), require websites to implement appropriate security measures to protect user data. Using HTTPS is considered a best practice for meeting these requirements, as it helps safeguard sensitive information and ensures compliance with data protection regulations.

In the aggregate, the main disparity between HTTP and HTTPS lies in the level of security they offer. While HTTP transmits data in plain text, leaving it vulnerable to interception, HTTPS encrypts the data to protect it from unauthorized access. By using HTTPS, websites can establish a secure connection, build user trust, and meet regulatory standards for data privacy and security. Therefore, it is crucial for website owners to migrate from HTTP to HTTPS to provide a safe and secure browsing experience for their users.