ABSTRACT Cloud computing is current buzzword in the market. Security to this Service is an important issue. PKI (Public key Infrastructure), as a Service and its focus is to evaluate the possibility to deploy a Public Key Infrastructure as a Cloud service. This is interesting since more and more organizations are moving their services and infrastructure to the cloud to benefit from the possibilities and advantages of cloud services and avoid problems with having own infrastructures. It is also interesting since the cloud could utilize the distributed architecture of PKI and in this way increase the reliability and availability and decrease the response times for validation of certificates
