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What are the best practices for ensuring your SSL certificate is issued by a trusted certificate authority?

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Secure Sockets Layer (SSL) certificates are digital certificates that authenticate the identity of a website and encrypt the data exchanged between the server and the client. SSL certificates are essential for protecting sensitive information, such as login credentials, payment details, or personal data, from hackers and cyberattacks. However, not all SSL certificates are created equal. Some certificates are issued by trusted certificate authorities (CAs), while others are self-signed or issued by untrusted sources. How can you ensure that your SSL certificate is issued by a trusted CA and follows the best practices and standards for network security? Here are some tips to help you out.

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Mehrnaz Nejati

Master of computer security and forensics administration | CompTIA CSIS( A+, Network+, Sec+) | ISC2 certified

1 Choose a reputable CA

A CA is an organization that verifies the identity and legitimacy of a website owner and issues SSL certificates accordingly. There are many CAs in the market, but not all of them are reliable and trustworthy. Some CAs may have lax verification procedures, poor security practices, or even malicious intentions. To avoid compromising your website's security and reputation, you should choose a CA that has a good track record, follows industry standards, and is recognized by major browsers and operating systems. You can check the list of trusted CAs on the Certificate Authority/Browser Forum (CAB Forum) website, which is a consortium of CAs and browser vendors that sets the guidelines and policies for SSL certificates.

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Mehrnaz Nejati

Master of computer security and forensics administration | CompTIA CSIS( A+, Network+, Sec+) | ISC2 certified
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Look for CAs with a strong track record, positive reviews, and recognition in the industry. Trusted CAs include Let's Encrypt, DigiCert, Comodo, GoDaddy, and GlobalSign, among others.

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2 Pick the right type of certificate

SSL certificates come in different types, depending on the level of validation and the number of domains or subdomains they cover. The three main types are Domain Validation (DV) certificates, Organization Validation (OV) certificates, and Extended Validation (EV) certificates. DV certificates are the cheapest and easiest to obtain, however they offer the lowest level of assurance and security. OV certificates verify not only the domain name, but also the identity and location of the organization that owns the website, offering a higher level of assurance and security. EV certificates provide the highest level of validation and security, verifying the domain name, organization's identity and location, as well as its legal and operational status. They also display a green padlock and the organization's name in the browser's address bar which enhances trustworthiness. Depending on your website's purpose and needs, you should pick a certificate that suits your budget and security requirements. Generally, DV certificates are suitable for small or personal websites that don't handle sensitive data while OV or EV certificates are recommended for business or e-commerce websites that deal with confidential or financial information.

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3 Keep your certificate updated

SSL certificates have an expiration date, which is usually one or two years from the date of issuance. If you do not renew your certificate before it expires, your website will become insecure and inaccessible to visitors, as browsers will display a warning message or block the connection. To avoid this scenario, you should keep track of your certificate's expiration date and renew it in advance. You can use tools like SSL Checker or SSL Labs to check your certificate's validity and status. You should also monitor your certificate's performance and security, and update it if there are any changes in your website's configuration or domain name.

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Mehrnaz Nejati

Master of computer security and forensics administration | CompTIA CSIS( A+, Network+, Sec+) | ISC2 certified
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CAs that support the Automated Certificate Management Environment (ACME) protocol, such as Let's Encrypt, consider using ACME clients to automate the process of certificate issuance and renewal. This reduces the risk of expired certificates and ensures continuous protection.

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4 Follow the best practices and standards

To ensure that your SSL certificate is issued by a trusted CA and provides optimal security and performance, you should follow the best practices and standards for SSL implementation and maintenance. This includes using a strong key size and encryption algorithm, such as a key size of 2048 bits or higher and an encryption algorithm of SHA-256 or higher. You should also use HTTPS everywhere, including for all the resources on your website, to prevent mixed content. Additionally, you should enable HTTP Strict Transport Security (HSTS) which instructs browsers to always use HTTPS when connecting to your website. By following these tips, you can enhance your website's security, performance, and reputation, while protecting your visitors' data and privacy.

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5 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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What are the best practices for ensuring your SSL certificate is issued by a trusted certificate authority?

1

2

3

4

5

1 Choose a reputable CA

2 Pick the right type of certificate

3 Keep your certificate updated

4 Follow the best practices and standards

5 Here’s what else to consider

Network Security

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What are the best practices for ensuring your SSL certificate is issued by a trusted certificate authority?

1

2

3

4

5

1 Choose a reputable CA

2 Pick the right type of certificate

3 Keep your certificate updated

4 Follow the best practices and standards

5 Here’s what else to consider

Network Security

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