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

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

How to Fix ’ERR_SSL_VERSION_OR_CIPHER_MISMATCH’

If you’re a website owner, the browser throwing an SSL certificate error message such as “ERR_SSL_VERSION_OR_CIPHER_MISMATCH” [CC1] does not help your business. It also doesn’t help to boost the confidence of your end-users, especially in the current cyber landscape. What ERR_SSL_VERSION_OR_CIPHER_MISMATCH Means When a user receives this error message while trying to access your site, it means that your server and the visitor’s browser (client) are unable to establish a secure, encrypted connection due to an unsupported protocol. There are a few potential causes for this, but it’s typically because your Continue Reading

What is The Difference Between SSL and TLS?

When considering the difference between SSL and TLS, you’ll find that the main difference lies in what is still in use. SSL has been deprecated, but because SSL evolved into the brand new and “shiny” TLS, the industry has decided to refer to it as SSL/TLS or only TLS. However, there are technical differences between the two types of cryptographic protocols as well. SSL vs TLS SSL (secure sockets layer) and TLS (transport layer security) were developed to provide a secure, encrypted communication channel to protect end users’ privacy and Continue Reading

How to Renew Email Signing Certificates

Your step-by-step guide to the email signing certificate renewal process Email signing certificates, personal authentication certificates, personal ID certificates, and S/MIME certificates. Regardless of what you call them, renewing an email signing certificate is a quick and straightforward process. If you bought your email signing certificate from SectigoStore, you’ll get renewal reminders a month before the certificate’s expiry date. You’ll just need to click on the link provided in the email and follow the instructed steps. If you have any other brands’ email signing certificate, you can change your certificate Continue Reading

Where Can I Buy an EV Wildcard SSL Certificate?

Here’s why finding EV wildcard SSL certificates in the market is so challenging How awesome it would be to secure all of your subdomains with one SSL certificate so that your organization’s name shows up before each in a browser’s web address bar alongside a padlock icon? Customers would feel highly confident while sharing their personal or financial information via blogs, check-out pages, or any other pages on your site to which you’ve devoted an entire subdomain. We agree! However, there is no extended validation (EV) wildcard certificate available in Continue Reading

SSL Certificates Types

Which Type Of SSL Certificate Do I need? Know the Difference and Choose Well! So, you’ve decided to get an SSL certificate for your website. An excellent decision! You are not only providing strong security for your website visitors’ data but also boosting your users’ trust and getting SEO benefits as an extra perk!  But let’s be honest here. Buying an SSL certificate is a confusing process! Isn’t it? With different SSL brands, types of SSL certificates and price differences, the entire buying process can be daunting.  If that is not enough, there are free SSL available in the market! What’s Continue Reading

Microsoft Authenticode Code Signing Certificates

What is a Microsoft Authenticode Code Signing Certificate? Everything you need to know: Utility, Working style, Cost, and Compatibility. Microsoft’s Authenticode technology allows software publishers to use X.509 code-signing certificates to sign their software. Code signing certificates verify the publisher of the software and ensure that the software is the same and hasn’t been changed since it was signed by the original issuer.   Microsoft itself doesn’t verify the publisher’s identity and code’s integrity. Instead, it relies on a proven Public Key Cryptography system that allows a third-party certificate authority, like Sectigo (previously Comodo CA), to authenticate the publisher and hash the codes.   With Continue Reading

Comodo Secure Site Seal: Latest News, Features, Types and Installation Guide

News: Comodo Secure Site Seal is Rebranded as Sectigo Secure Site Seal Now What is The Comodo Secure Site Seal?  A trust seal or secure site seal is a small image placed on a webpage which works as a visual indicator of a well-protected site. The Comodo site seal is also known as Trust seal, Comodo secure badge, Comodo secure seal, and Trust Logo. A Comodo secure site seal indicates that your domain is properly vetted by Comodo and any data transmitted over the website will be encrypted and be secured by a Comodo SSL certificate. Site seals help you gain your customers’ trust and boost up conversions.   When you buy an SSL certificate from Comodo CA (now Sectigo), you will get a FREE secure site seal, which Continue Reading

Redirecting HTTP to HTTPS in .htaccess: Migration Guide

If you are reading this article, we can safely assume that you have already purchased an SSL certificate and looking forward to installing it. If you are still struggling in choosing the right SSL for your website, check out this article to understand the different SSL types and select the best-suited SSL with cost-efficient options. Secure a WordPress Website with An SSL Certificate – Save 87% Save 79% on a highly trusted Positive SSL, an ideal solution for WordPress CMS websites. It includes unlimited server licenses, reissuances, 256-bit encryption, and more. Shop for Positive Continue Reading

Website Visitors’ Guide on How to Fix the ‘Warning: Potential Security Risk Ahead’ Error in Firefox

SEC_ERROR_EXPIRED_CERTIFICATE MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT SEC_ERROR_REVOKED_CERTIFICATE If you’re seeing any of the above security warnings while visiting a website on the Mozilla Firefox browser, this article will guide you through seven ways you can still use the site despite receiving any of these error messages. However, there are some things you should know before applying these tricks: This article is intended for website visitors. If you’re a website owner, please click on the particular error message above you are seeing for your website and follow the different set of steps mentioned in those Continue Reading

How to Fix the “SEC_ERROR_EXPIRED_CERTIFICATE” Error in Mozilla Firefox and Google Chrome

If you’re seeing a “SEC_ERROR_EXPIRED_CERTIFICATE” error while browsing any website, you’re not alone! This is a common error that’s associated with a website’s Secure Socket Layer (SSL) certificate. Website owners install an SSL certificate to secure the data that transfers between a website visitor’s browser and website’s server. SSL certificates are issued for a maximum of two years, and they must be renewed before or at the time of its expiry date. If the SSL certificate is not renewed, all web browsers will display the SEC_ERROR_EXPIRED_CERTIFICATE error for that site. Continue Reading

Fix the “SEC_ERROR_REVOKED_CERTIFICATE” Error in Mozilla Firefox

If you’re seeing a “Secure Connection Failed’ page with the error message “SEC_ERROR_REVOKED_CERTIFICATE” while visiting a website, use the following steps to get rid of the error page and access the website. Why Firefox Shows the “SEC_ERROR_REVOKED_CERTIFICATE” Error When a website’s SSL/TLS certificate gets revoked for any reason, the browser doesn’t consider it secure and shows the “SEC_ERROR_REVOKED_CERTIFICATE” error page. Why an SSL/TLS certificate gets revoked? When a website’s private key gets compromised. When the certificate authority (CA) mis-issues an SSL certificate. For example, in March 2019, millions of SSL Continue Reading

How to Fix MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT Error in Firefox

How to Get Rid of ‘Warning: Potential Security Risk Ahead with MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT” Error in Firefox? “MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT” error indicates that the website you are trying to reach is using a self-signed SSL/TLS certificate. These type of SSL/TLS certificates are highly unsecured. None of the browsers, including Mozilla Firefox, trust a self-signed certificate and hence, show a “MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT” error. If you’re a website owner, remove the self-signed certificate from your server and get a publicly trusted certificate authority (CA)’s SSL certificate ASAP. It starts from $10/year and includes a $50,000 warranty. If Continue Reading

How To Generate CSR In cPanel

As soon as you buy an SSL certificate, it doesn’t get automatically get installed and enable HTTPS on your website. There are several steps you need to take from your end to complete this process.   There are 3 steps you need to follow after purchasing an SSL.:  Certificate Signing Request (CSR) generation  Validation process  Installation Process   In this article we’ll cover the CSR generation process for cPanel in 3 easy steps. If you’re using different server, refer our articles for CSR generation on various types of servers.   CSR Generation In cPanel Step 1 Log into cPanel Click on Continue Reading

Comodo SSL vs GoDaddy SSL Certificates Comparison Guide

Compare Price, Technical Features, Warranty, and Extra Perks With plenty of different certificate authorities, SSL certificate types and features; and ambiguous price difference, anybody can get confused. We’ve been a leader in this business for more than a decade and understand this dilemma. Because you’ve reached this article, we assume that you are doing some healthy market research to choose the right SSL certificate for your website. And we are proud of you for that! To help you with your goal, we at SectigoStore have compared two prominent certificate authorities’ SSL certificates: Comodo SSL vs GoDaddy SSL Certificates   Comodo is Continue Reading

Positive SSL Vs. Positive SSL Wildcard Certificates

What’s the difference between PositiveSSL and PositiveSSL Wildcard Certificates? Both Positive SSL and Positive SSL Wildcard are SSL certificates offered by Comodo CA (now Sectigo). The mission of the Positive SSL line is to provide affordable access to industry-standard encryption for all businesses. These two digital certificates are staying true to this mission: They’re cost-efficient and yet offer many of the features that an expensive SSL certificate has. These are the most popular SSL certificates among small businesses, bloggers, personal website owners and startups (non-eCommerce). Key similarities between Positive SSL Continue Reading

10 Easy Tips to Fix “Your Connection Is Not Private” error in Google Chrome

Step-by-step guide for fixing an SSL certificate error “Your Connection Is Not Private” in Google Chrome “Your Connection Is Not Private” is an annoying error, and you might think you need to call a tech guy to solve it. Well, the good news is, the solution might be easy to implement, and you can fix the issue quickly by following some simple steps! General Tips to fix ‘Your connection is not private’ Error on Google Chrome. You don’t need to apply all the solutions written here.  There might be only Continue Reading

Positive SSL Wildcard Vs Essential SSL Wildcard

What is The Difference Between Positive SSL Wildcard and Essential SSL Wildcard Certificates? Choosing the right SSL certificate is a challenging process because when you start browsing, the options seem infinite! SSL certificates come with various brands, validation types, SAN and Subdomain coverage, encryption strengths and perks! If you’re feeling exhausted by the SSL buying process, we understand you. That’s why in this article, we’re covering the similarities and differences of two widely popular SSL certificates: Positive SSL Wildcard and Essential SSL wildcard. Let’s start with basics and understand what Continue Reading