Public Vs. Private Certificate Authorities For Your Business

Understanding The Pros And Cons: Public Vs. Private Certificate Authorities For Your Business

Business 3 Mins Read
published on: 02 November 2023 last updated on: 20 May 2024

When running a business online, security is a vital aspect that should always be considered. Businesses must protect their customer’s personal information, intellectual property, and financial data from cybercriminals. Let’s understand about Public Vs. Private Certificate.

One way to ensure secure communication is by using an SSL/TLS certificate. Still, with so many Certificate Authorities (CAs) out there, it can take time to decide which one to choose.

Two of the most commonly used CAs are public and private certificate authorities. Learn more about the pros and cons of each in this blog post and eventually make an informed decision for your business.

Public Certificate Authorities

Public CAs are commercial entities that provide SSL/TLS certificates to the public. Popular third-party certificate authorities include Let’s Encrypt, DigiCert, and GlobalSign.

The major advantage of a public CA is cost – they offer free options that suit small and large businesses. Another advantage is their vast distribution network. Public CAs have established relationships with popular browsers such as Chrome, Firefox, and Safari, which means that their SSL/TLS certificates are pre-installed and trusted by these browsers.

However, public CAs have their downsides. One significant issue is that they rely on domain validation, which only checks if the requester controls the domain.

Public CAs need to verify an applicant’s identity, leading to stronger security. In addition, public CAs’ strict policies can make getting SSL/TLS certificates for specific needs challenging. If you have unique requirements, you might have to get a private certificate instead.

Private Certificate Business Authorities

Private CAs are more suitable for businesses that require strict security measures. Unlike public CAs, private CAs issue certificates to internal employees or external trusted parties like partners and customers.

Private CAs allow businesses to manage their PKI (Public Key Infrastructure), which helps to create a hierarchy of trust within an organization.

The advantages of private CAs are significant. They allow organizations to create a more robust security infrastructure, providing better identification and higher levels of trust.

Private CAs also offer higher assurance than public CAs, meaning that your SSL/TLS certificates are trusted more explicitly. Lastly, private CAs provide flexibility regarding machine identity management and deployment.

However, private CAs have their downsides. The primary disadvantage is that they can be expensive to set up and maintain.

Private CAs require significant resources and expertise, making it unfeasible for small businesses to use them. Additionally, private CAs are time-consuming to set up, requiring a lengthy organization validation process.

Finally, private CAs are less widely recognized than public CAs. This means that some browsers may not recognize your SSL/TLS certificate, leading to issues with website traffic.

Choosing The Right CA for Your Business

To choose the right CA for your business, consider your security requirements, budget, and priorities. You should go for it if you need strict security measures and have the resources to set up and manage a Private CA.

However, a public CA is better if you’re a small business with limited resources and don’t require stringent security measures. Additionally, some use cases, such as email encryption, may require a private CA, while others, such as e-commerce, are well suited for public CAs.

Final Thoughts

In conclusion, choosing between a public and private CA can be daunting for businesses. However, with the right understanding of the pros and cons of each, organizations can make well-informed decisions about the type of CA they need to ensure secure communication.

Ultimately, businesses need to consider their unique security requirements and weigh the costs and benefits of each option. Doing so can protect their customers’ data, enhance their brand’s reputation, and build trust with their audience.

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Certificate Authorities For Your Business running a business online

Ankita Tripathy loves to write about food and the Hallyu Wave in particular. During her free time, she enjoys looking at the sky or reading books while sipping a cup of hot coffee. Her favourite niches are food, music, lifestyle, travel, and Korean Pop music and drama.

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