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

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

Code Signing Certificate Expired Issues

What happens to my software and digital signatures when my code signing certificate expires?   If this question haunts you at night, you’re not alone! Most software developers and publishers face this dilemma at one point.  You might be in the process of buying your first code signing certificate, or your current certificate might be expiring soon (or it has already expired). Whatever the scenario, you’ve landed on the right article. We have answers for all your questions regarding code signing certificate expiration issues and renewals.  Timestamping: The Ultimate Shield to Avoid Code Signing Certificate Expiration 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 90 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

Wildcard SSL Certificate Price Comparison

Not sure which wildcard SSL certificate gives the most bang for your buck? We’ve got your answer: Wildcard SSL Certificate Price Comparison If you’re not sure whether a wildcard SSL certificate is right for your website or is it a cost-efficient option, you have landed on the right article! First, we have a few questions: Do you own multiple subdomains? Or, are you planning to have multiple subdomains for your primary domain in the future? If you aren’t sure what subdomains are, see the following examples: Your Primary Domain: Example.com Continue Reading

SSL Vs. Wildcard SSL Certificate – Which SSL Certificate Should I Choose?

SSL/TLS certificates are the foundation of website security. They encrypt the data transferred between the client and server over the wire and provide third-party verification of the applicant’s business identity. Wildcard Certificate Vs. Regular Certificate Depending upon your business needs, you can get a single certificate for each domain that you want to secure or get a single certificate that can accommodate multiple domains and/or subdomains. All SSL certificates have a field called the website’s common name (also referred to as the host or the domain name) which dictates the Continue Reading

How to Solve the Invalid SSL /TLS Certificate Issue

Would you walk into a store that looks like a front for some illegal business? Probably not, at least hopefully not. Welcome to the 21st century, where websites are the virtual storefronts. Most security-aware netizens won’t visit a website if it comes with ‘Not Secure’ written all over in red. Unless you are a cybercriminal (or a terrible businessman), your target audience is probably broader than gullible users, who ignore security warnings and waltz into your website. It is, therefore, in the best interest of users as well as website Continue Reading