SSLsertifikaate

SSLsertifikaate

An SSL certificate is a digital credential that verifies the identity of a website and enables secure, encrypted communication between the server and users' browsers. The abbreviation "SSL" stands for Secure Sockets Layer, a technology developed to establish an encrypted link to ensure data confidentiality and integrity. Although SSL has been largely replaced by Transport Layer Security (TLS), the term "SSL certificate" remains widely used.

SSL certificates are issued by Certificate Authorities (CAs) after verifying the applicant's identity and domain ownership. They are typically categorized into three types: Domain Validation (DV), Organization Validation (OV), and Extended Validation (EV). DV certificates validate only the domain, whereas OV and EV certificates involve more extensive vetting of the organization's identity, with EV certificates providing the highest level of assurance.

Websites with SSL certificates display HTTPS in their URLs, often accompanied by a padlock icon in the address bar, indicating a secure connection. This security is crucial for protecting sensitive information such as login credentials, credit card details, and personal data. Additionally, SSL certificates can improve search engine rankings and foster user trust.

SSL certificates come in various formats and options, including single domain, wildcard, and multi-domain certificates, accommodating different security needs. They also vary in validity periods, typically ranging from one to two years, after which renewal is necessary.

In summary, SSL certificates are fundamental for securing online communications, safeguarding user information, and maintaining the trustworthiness of websites. Their proper implementation is a critical component of web security strategies for individuals, businesses, and organizations alike.