3 Reasons to Move Your Public Key Infrastructure to The Cloud PKI

Cloud PKI

With the adoption of different types of cloud models out there (public, private, or hybrid) in different verticals are increasing, cloud buzzword is at a height. But, customers have some doubts about security areas & raise one common question: “How to trust cloud PKI?” The answer to the question is “building trust over the cloud,” and how is it possible?

The security concerns that are related to data storage & business-critical apps in the cloud persist, although, and also have served in moving off-premise the slower process for companies than others, so mean the wholesale move of their business apps & workloads to PKI cloud is totally out of question.

Whereas cloud providers provide different security layers that allow the users to mitigate various vulnerabilities, a lack of expertise in the IT departments means that businesses will struggle to deploy complex security measures efficiently.

What’s Public Key Infrastructure?

PKI or Public Key Infrastructure generally combines various technological units for authenticating users & devices within the digital ecosystem. The PKI’s main goals are for confidentiality & authentication that allows for private conversations on any platform when keeping the individual identities accessible for the authentication. The cryptosystems make use of the mathematical functions and programs or protocols to encrypt & decrypt any messages.

PKI in the enterprise: Why?

Currently, PKI has actually evolved from one way to protect the websites, in a heart of digital management features in cybersecurity structure. Now, it is used for managing various digital identities, apps, as well as devices within companies. It’s being adopted & deployed by the IT teams that will combat the growing range of cybersecurity threats and spanning denial of service attacks to malware, as well as phishing attempts to the hacking of IoT devices.

Whereas PKI is one important part to keep an enterprise safe, deploying, as well as managing any program, and on-premise is the resource-intensive procedure, and sometimes IT leaders find it one big struggle to find & employ the experienced team to oversee this setup too.


  1. Think of PKI Cloud

The cloud-based PKIs will be externally hosted services and supplying various PKI capabilities. This cloud-based approach reduces the burden on the individual organizations –resource-wise, financially, as well as time-wise, just by eliminating the organizations’ requirement to set up infrastructure. This service provider handles the ongoing maintenance for PKI whereas ensuring availability and scalability –offering hassle-free and efficient service.

  1. Scalability

The scalability of matching the current growing needs of an organization is highly beneficial. The provider handles additional requirements like installing hardware, software, disaster recovery, backup, as well as other infrastructure, which will become one big burden for the owners of the on-premises PKI cloud solutions.

When it comes to the PKI approach that is the hybrid approach of the symmetric & asymmetric encryption, the handshake procedure happens with the asymmetric encryption for exchanging secret key that is used for the symmetric encryption. When this secret key gets exchanged, the rest of the communication happens on asymmetric encryption. In such a way, the security and the performance are achieved. PKI is the hierarchal model that includes the below components:

  • Registration Authority: The entity performs background process on requests that are received from the endpoint entities such as business operations to avoid issuing a certificate to the bogus entity.
  • Certificate Authority: The entity issues the certificates for the requests received and can be trusted by third parties or in-house.
  • End-point Entities: Such entities make the requests for certificates to prove their identity & gain trust on the Internet.
  • Certificate Revocation List: It is a list issued having certificates that are not valid to get trusted.

  1. Cost of the cloud-based PKI

The cloud-based PKI generally imposes a decreased financial burden on the organization when compared to the on-premises PKI. Whereas on-premises PKI will incur both the hidden and the traditional costs, the cloud PKI services just incur one single monthly fee – and ensuring all the outgoing PKI costs will be fixed. The on-premises PKI can cost organizations around $305,000 higher than cloud Managed PKI service.

Final Words 

The environment with poorly managed PKI is equally good as the environment without any PKI. But, when the organizations plan to migrate this data to the cloud & decided to implement the PKI on the cloud model, private or public, they must ensure that the complete ownership of keys comes.

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