SSL Resources

Expert Tips and best practices to fight against cyber threats

Explore our resources page to find the answers you need to strengthen your company's defense against cybercriminals. Check out our extensive guides for practical tips and tricks to improve your cybersecurity.

Top SSL/TLS Resources

Save Up To 85% On Sectigo's Most Popular SSL Certificates:

Most Popular Sectigo SSL Certificates: Years Price/Year
Sectigo PositiveSSL Certificate
Most affordable SSL certificate (DV). $50,000 warranty.
PositiveSSL Certificate PositiveSSL Certificate $49.00
$10.98
$9.98
$9.15
$8.92
$8.78
PositiveSSL Certificate Add to cart
Sectigo EssentialSSL Certificate
Basic SSL for business sites (DV). $10,000 warranty.
EssentialSSL Certificate EssentialSSL Certificate$79.95
$29.80
$25.95
$24.83
$24.21
$23.84
EssentialSSL CertificateAdd to cart
Sectigo SSL Certificate
Business SSL certificate (DV). $500,000 warranty.
Sectigo SSL Sectigo SSL$99.95
$74.00
$65.00
$61.67
$60.13
$59.20
Sectigo SSL Add to cart
InstantSSL Premium Certificate
Premium assurance certificate (OV). $250,000 warranty.
Premium SSL Certificate PremiumSSL Certificate$179.95
$75.89
$66.40
$63.24
$61.66
$60.71
Premium SSL Certificate Add to cart
Sectigo PositiveSSL Wildcard
Secures unlimited subdomains, eg blog.mysite.com (DV). $50,000 warranty.
PositiveSSL Wildcard Certificate PositiveSSL Wildcard$249.00
$97.90
$85.66
$81.58
$79.54
$78.32
Sectigo Positive SSL Wildcard Add to cart

Improve a Website Security with Our Latest SSL Resources

What Is SSL Server Certificate and How Does It Protect Websites?

What Is A Server Certificate? A server certificate is an SSL certificate issued to hostnames that includes machine names (like XYZ-SERVER-04) or domain names (like www.example.com). When a client sends the request, the browser will verify the server certificate to ensure the legitimacy of the web host. An SSL server certificate is a digital certificate issued to the server for two main purposes – to authenticate the server’s identity and create a secure communication channel with the client. The SSL server certificate uses public key infrastructure (PKI) to maintain the Continue Reading

OV vs EV SSL Certificate – Which One Should I Buy?

The rise of e-commerce and adoption of the digital platform as a mode to conduct business led to the subsequent need to ensure that these online transactions ensued securely. Netscape’s secure sockets layer (SSL) internet protocol, which later evolved into the more advanced and secure transport layer security (TLS) protocol, set the ball rolling. As time progressed, the digital certificate industry came up with different products – for example, domain validation (DV), organization validation (OV), and extended validation (EV) SSL certificates. These solutions targeted different sections of the market. But Continue Reading

DV SSL vs OV SSL Certificates – Which One Is Affordable for My Website?

You have many choices when it comes to purchasing an SSL/TLS certificate for your website. You’ll see all kinds of acronyms — DV SSL vs OV SSL , OV vs EV SSL, etc. It can be a somewhat disconcerting experience having to scour through the web to find the perfect certificate that will meet your needs. Confused about which product to choose? Consider looking at domain validated (DV) and organization validated (OV) SSL certificates if you’re on a budget but need your site to run on HTTPS in a secure Continue Reading

Client Certificate vs Server Certificate – the Ultimate Difference

In the digital world, SSL certificates — client or server — exist to guarantee that we are communicating securely with legitimate entities. These certificates use a trusted third party, aka a certificate authority (CA), to validate the identity of the client to the server or the server to the client, respectively. Whether you know it or not, each of us on the digital platform has made use of these certificates because they afford us a certain level of protection from malicious attacks. A client certificate is a digital certificate used Continue Reading

7 Code Signing Best Practices

Code signing is the process of getting your code signed digitally by a trusted certificate authority (CA). The CA verifies the identity of the author or publisher who submits the software and assures end-users that his identity has been validated. Although this process is pretty straightforward conceptually, there are some code signing best practices that you can implement to make the process a little smoother and more effective. We’ll jump into some of those code signing best practices for Microsoft in particular shortly. Before you can start using best practices, Continue Reading

What Is Code Signing Certificate and How Does It Work?

One of the most common security buzz words you hear these days is hashing. If you’re familiar with the concept, then you already know that hashing is used to verify the integrity of your files. Now picture a hacker compromising your website and replacing your uploaded files along with their hashes. It’s here that a code signing certificate can swoop in to save the day! When you release an application or an executable file, you would probably want to ensure that an attacker doesn’t change your original file. An attacker Continue Reading

What Is Standard UCC SSL and How It Works for Multiple Websites

It can get heavy on your wallet to individually purchase SSL/TLS certificates for each of your domains. Leaving the websites unencrypted is no longer a viable choice partly due to the loss of trust and reputational damage that comes with insecure browsing but majorly due to the security risks that come into play. Standard UCC SSL certificates are used to host multiple domains on a single certificate. They are also referred to as multi-domain SAN or Exchange certificates. UCCs are ideal for server environments such as Microsoft Exchange but can Continue Reading

PositiveSSL vs RapidSSL: Explore the Differences

What is the difference between PositiveSSL and RapidSSL? Which one is better?   If you’re searching for the best and cheapest SSL certificate for your website, you can easily narrow down your options with two prominent brands: Comodo PositiveSSL and RapidSSL. Both provide the lowest priced SSL certificates on the market offering industry-standard encryption, attractive site seals, and generous warranties.  In this article, we have done PositiveSSL vs RapidSSL analysis to help you choose the right SSL certificate for your website. Why You Should Choose PositiveSSL     Usage  Retail Price  Discounted Price on reseller’s site  PositiveSSL   Domain validated SSL, secures a single domain  Continue Reading

How to Install Sectigo SSL on GoDaddy

Step-by-step directions for how to install Sectigo SSL certificate on a GoDaddy server  GoDaddy is well known for its low-cost hosting plans. Sectigo (formerly Comodo CA) provides the least expensive digital certificates in the industry. Combining both of them i.e., getting a web hosting plan from GoDaddy and an SSL certificate from Sectigo is one of the most cost-efficient decision you can make! Without further delay, let’s explore how to install an SSL certificate on the GoDaddy server.  Since you’re looking for installation directions, we assume that you’ve already generated a certificate signing request (CSR), completed the validation process, and received the SSL certificate’s file from Sectigo on Continue Reading

Wildcard SAN Certificates – All You Need to Know Before Buying

A multi domain wildcard SSL certificate — or what’s sometimes referred to as a wildcard SAN, SSL SAN wildcard, or a wildcard multi domain certificate — combines the flexibility of a multi domain SAN certificate with that of a wildcard certificate. This provides coverage not only for multiple domains but also their accompanying subdomains at multiple levels as well as IPs. This versatile solution offers a cost-effective alternative to efficiently manage certificates for a host of websites and subdomains using a single certificate instead of having individual certificates for each Continue Reading

Understanding Wildcard SSL & How Does a Wildcard Certificate Work?

Most prominent players in the digital certificate industry offer a variety of SSL/TLS certificates. As such, it’s natural for a customer to be confused about which SSL/TLS certificate to use on their website. If you have a host of subdomains where you want to use HTTPS, a wildcard SSL certificate might be a good fit, especially in terms of cost and ease of implementation. What Is a Wildcard SSL Certificate? A wildcard SSL certificate encrypts a website and an unlimited number of subdomains at a specific level using a single Continue Reading

SSL Certificate for Subdomain – How Do I Get One for My Website?

SSL/TLS is a secure protocol that establishes an encrypted communication channel between a web browser and a web server. It reduces the risk of sensitive information being exposed to or stolen by identity thieves or hackers. An SSL/TLS certificate installed on the server serves the dual purpose of providing a secure channel for communication as well as authenticating the website’s identity. There are different types of digital certificates offered by several big players in this market. We will be looking at two of them, namely wildcard and multi-domain wildcard SSL Continue Reading

SSL Certificate Comparison — Prices and Types

As the internet began transforming into a more commercial space in the 1990s, there was a growing need for encrypted communication channels. This is why Netscape developed a secure protocol known as a secure sockets layer (SSL). This evolved into what’s now known as transport layer security (TLS) with TLS version 1.2 and TLS 1.3 currently in use. SSL/TLS helps to facilitate the encryption of the data transmission channel between a client (an end user’s browser) and the server it’s talking to with the intent of hindering cybercriminals from stealing Continue Reading

Multi Domain SSL vs Wildcard SSL — What You Should Know

SSL/TLS certificates play a significant role in web security. Most business owners are moving their websites to HTTPS  in part due to Google’s initiative to flag sites not using SSL/TLS certificates as “not secure,” and because they see the benefits of installing an SSL/TLS certificate on their web servers. With cyber-crime on the rise, using SSL/TLS certificates is integral to building trust with users and taking a step toward improved digital security. SSL/TLS certificates ensure that the communication channel between your client browser and the server you’re connecting to is Continue Reading

Comodo PositiveSSL vs InstantSSL

What is the difference between Positive SSL and Instant SSL? Which one is better?  If you are thinking selecting the most appropriate SSL certificate for your website is a confusing process, you’re not alone! With so many SSL certificate varieties, anyone can feel lost. In this article, we compare two of the most popular SSL certificate brands — Comodo Positive SSL and Instant SSL.   Comodo PositiveSSL and InstantSSL are rebranded as Sectigo PositiveSSL and InstantSSL. We hope this PositiveSSL vs InstantSSL guide will provide you some helpful insights in choosing the right SSL certificate. Positive SSL vs Instant SSL: A Look at the Similarities  Positive SSL and Instant SSL are offered by the same parent organization or Continue Reading

Comodo Code Signing vs GoDaddy Code Signing Certificates

Compare Comodo code signing and GoDaddy code signing certificates: features, prices, and compatibility  In this article, we compare code signing certificates from two prominent brands, Sectigo (formerly known as Comodo CA) and GoDaddy. Both of these certificate authorities are highly reputed in the industry and are well-known for their cyber security products. Even though we’re now called Sectigo, we’ll refer to these certificates as Comodo code signing certificates in this article to make things easier for you since you may be used to referring to them by our former name.  One of their popular products is the code signing certificate. This type of certificate is used by software developers and publishers to protect downloadable software, Continue Reading

Pros and Cons of Wildcard SSL Certificates — An Expert Review

Is a wildcard SSL certificate really worth buying? Explore the advantages and disadvantages of a wildcard SSL certificate  Are you looking for the best SSL certificate for securing your website and its subdomains? You may have heard that a wildcard SSL certificate will be the best fit. But is it so? Are there any disadvantages of using a wildcard SSL certificate? You have every right to investigate. After all, a wildcard SSL is almost eight times more expensive than a regular SSL certificate. So, let’s do a quick reality check concerning the advantages and disadvantages of a wildcard SSL certificate. In this article, we’ll weigh the Continue Reading

Do I Need a Separate SSL Certificate for WWW and Non-WWW Domains?

All Comodo CA SSL Certificates secure both WWW and non-WWW domains.  Does a Single-Domain SSL Secure WWW and Without the WWW Version of My Domain?  Yes! All Comodo-Powered by Sectigo single domain SSL certificates, secure both, WWW and non-WWW version of your domain name. Single domain Organization Validated (OV) and Extended Validated (EV) SSLs also cover both versions by default.   Does It Cost Extra to Secure the WWW Version of My Website If I’ve Bought a Certificate for a Non-WWW Domain? No. With Sectigo (formerly Comodo CA), you don’t have to buy a new SSL certificate or pay anything extra for securing both the WWW and non-WWW versions of a domain name. There are no Continue Reading

SSL Renewals: Renew SSL Certificate Now!

Everything you need to know to renew SSL certificate! When and How Do I Renew My SSL Certificate? You can renew an SSL certificate up to 30 days before its expiry date.   Ideally, you should buy, generate a certificate signing request (CSR), complete the SSL validation process, and install the new SSL certificate before the expiry date. So, as soon as your old certificate expires, it will be replaced by the new certificate automatically.  Technically, as soon as the CA issues/renews the certificate, it becomes activate. Now, there will be two SSL certificates existing on your server simultaneously. But this is normal and doesn’t cause any problems.  If Continue Reading

Code Signing Certificates Comparison

Compare code signing certificates: The ultimate comparison of features, prices, types, and brands Getting a code signing certificate is an excellent decision for your software’s security and authenticity. There are multiple types of code signing certificates available in the market with different price ranges, features, and brands. So, comparing all code signing certificates before choosing the right one for your organization is an essential step. To help you with the research and buying process, we’ve  prepared this code signing certificate comparison guide and have compared all the prominent code signing Continue Reading