Daily Post November 5 2025
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Let’s Encrypt
A Certificate Authority (CA) that provides SSL/TLS certificates to enable HTTPS for websites at no cost. It was created by the Internet Security Research Group with the mission of making the internet more secure and privacy-respecting by removing financial and technical barriers to obtaining trusted certificates. The service is widely used by individuals, small businesses, and large organizations to secure their websites and web applications, making sure that data transmitted between users and servers is encrypted and protected from eavesdropping and tampering.
It operates by issuing digital certificates that authenticate the identity of a website and enable encrypted communication using the HTTPS protocol. These certificates are trusted by all major web browsers, meaning that when a website uses a Let’s Encrypt certificate, visitors will see a padlock icon in their browser, indicating a secure connection. The process of obtaining and renewing certificates is fully automated, allowing website owners to set up and maintain HTTPS without manual intervention or technical expertise. Certificates issued by Let’s Encrypt are valid for 90 days, but the automation makes it easy to renew them before expiration, ensuring continuous security.
Why Use Let’s Encrypt?
The primary reason to use Let’s Encrypt is that it provides free, trusted SSL/TLS certificates, which are essential for securing websites and protecting user data. In the past, obtaining an SSL certificate required paying a fee to a commercial Certificate Authority, which could be a significant expense for small businesses and individuals. Let’s Encrypt removes this barrier, making it possible for anyone to secure their website without incurring additional costs. The automation also simplifies the process of certificate management, reducing the risk of human error and making it easier to maintain up-to-date security.
Open Source?
It is an open initiative, meaning that its protocols and software are published as open standards that anyone can adopt and contribute to. The automatic issuance and renewal protocol, known as ACME (Automated Certificate Management Environment), is open source and widely supported by various web server software and hosting platforms. This openness encourages transparency, community involvement, and continuous improvement of web security practices. The open nature of Let’s Encrypt also allows for independent audits and verification, further giving trust in the certificate ecosystem.
==Why Do Some Companies Still Charge for SSL?~~ Despite the availability of free certificates from Let’s Encrypt, some companies continue to charge for SSL certificates because they offer additional features and services that are not provided by Let’s Encrypt. Paid certificates may include extended validation, which provides a higher level of identity verification and displays the organization’s name in the browser’s address bar. They may also offer longer validity periods, customer support, and insurance against certain types of losses related to certificate misuse. Additionally, some organizations may prefer paid certificates for compliance reasons or to meet specific regulatory requirements. However, for most websites, the security provided by Let’s Encrypt certificates is equivalent to that of paid certificates, and the additional features are not always necessary.
It Is Important to Support This Effort?
Supporting Let’s Encrypt is important because it helps to create a more secure and privacy-respecting internet for everyone. By making SSL/TLS certificates free and easy to obtain, Let’s Encrypt encourages more websites to adopt HTTPS, which protects user data and builds trust. The widespread adoption of HTTPS reduces the risk of phishing, data breaches, and other malicious activities, making the internet safer for all users. Supporting Let’s Encrypt also promotes transparency and community involvement in web security, ensuring that the certificate ecosystem remains open and accessible to everyone. Contributing to and advocating for Let’s Encrypt, individuals and organizations can help advance the cause of internet security and privacy.
You can check it out here: https://letsencrypt.org/