What is an SSL Certificate?
An Secure Sockets Layer certificate, also known as a Secure Sockets Layer certificate, is a digital certificate that establishes an encrypted link between a server and a browser. It allows sensitive data like credit card numbers, usernames, passwords, and other personal information to be transmitted securely between the user's computer and a website or application server. Secure Sockets Layer certificates help verify that a website or service is authentic and prevents cybercriminals from intercepting communications and stealing data.
Secure Sockets Layer Certificate Types
There are different types of Secure Sockets Layer certificates that serve different purposes:
Domain Validated (DV) Secure Sockets Layer Certificates: DV certificates verify that the applicant controls or has rights to a domain by validating domain registration information and whois records. They are the most basic and affordable Secure Sockets Layer certificates but provide only domain-level validation.
Organization Validated (OV) Secure Sockets SSL Certificate Layer Certificates: OV certificates provide a higher level of identity validation by verifying business registrations, phone numbers, physical addresses, and domain control. They provide more trust than DV certificates by validating the legitimacy of the organization behind the domain.
Extended Validation (EV) Secure Sockets Layer Certificates: EV certificates offer the highest level of identity validation available. The verification process involves extensive documentation review and background checks to confirm the legal entity that owns and controls the website. EV certificates display the organization name in the browser address bar for increased trust and brand assurance.
Wildcard Secure Sockets Layer Certificates: Wildcard certificates secure an entire domain and all its subdomains with a single certificate, like *.example.com. They are useful for sites with dynamically generated subdomains that change frequently.
Multi-Domain Secure Sockets Layer Certificates: Also known as UC/UCC certificates, they combine security for multiple fully-qualified domain names under a single certificate. Ideal for websites with multiple domains and subdomains.
Secure Sockets Layer /TLS Protocol Versions
Originally only SSL 3.0 and TLS 1.0 were supported by browsers and servers. Over the years newer, more advanced versions were introduced:
TLS 1.1 - Minor update to TLS 1.0 for additional security.
TLS 1.2 - Current recommended version with improvements in cryptographic techniques.
TLS 1.3 - Newest version focused on performance and security, gaining adoption.
Older SSL 3.0 and early TLS versions have been deprecated due to vulnerabilities discovered. SSL certificates are now issued to support the latest TLS versions for maximum security and compatibility.
Secure Sockets Layer Certificate Benefits
Secures Data Transfers: SSL encryption protects sensitive data in transit from eavesdropping or tampering.
Browser Address Bar ID: EV SSL displays company name for brand assurance and trust. DV/OV validates domain control.
Increases Conversions: SSL boosts conversion rates by assuring users of a safe, secure site.
Enhanced SEO: Search engines recognize SSL as a positive ranking signal for more traffic and visibility.
Compliance Requirements: SSL may be needed to comply with PCI DSS, HIPAA, and other regulations.
Global Acceptance: SSL certification is universally supported on all modern browsers and platforms.
Peace of Mind: SSL adds an extra layer of security for both businesses and customers against online threats.
How to Get an Secure Sockets Layer Certificate?
Obtaining an Secure Sockets Layer certificate is easy. Here are the basic steps:
1. Choose the type of certificate needed based on validation level and domain requirements.
2. Select a trusted certificate authority (CA) like DigiCert, Comodo, or GlobalSign.
3. Provide the required identity and domain validation documentation to the CA.
4. Complete validation and approval process which varies by type but usually takes 1-5 business days.
5. Download and install the certificate files onto the server. For websites, also install the intermediate and root certificates.
6. Configure the certificate in the server's control panel, renew it before expiration, and optionally set up auto-renewal.
7. HTTPS should now be fully enabled and the site accessible securely over https://
8. Monitor and renew the certificate annually as per its validity period.
Many web hosts and CAs offer simple one-click SSL installations for hassle-free setup on common platforms like cPanel, Plesk, WordPress etc. SSL certificates are also available for mobile and IoT applications.
In today's climate of escalating cybercrime and privacy concerns, SSL certification has become imperative for all online services seeking high user trust and adoption. SSL encrypts communications, protects sensitive user information, and secures brands online. With built-in browser recognition, SSL boosts SEO visibility as well. Overall, it is a necessary protocol for conducting safe, legal and reputable digital business in the modern web.
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About Author:
Ravina Pandya, Content Writer, has a strong foothold in the market research industry. She specializes in writing well-researched articles from different industries, including food and beverages, information and technology, healthcare, chemical and materials, etc. (https://www.linkedin.com/in/ravina-pandya-1a3984191)
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