IoT (Internet of Things) is regarded as a diversified science and utilization with uncommon risks and opportunities of business. So, in this article, a digital signature mobile application (SignOn) is presented where, it provides a cloud based digital signature with a high security to sustain...

In the scope of portal development, in order to talk about security issues, concerns, and solutions, it is necessary to define a few terms: authentication, authorization, Single Sign-On (SSO), confidentiality, integrity, and non-repudiation. Focusing on the scope of what the portal developer and...

Traditionally, computational needs of organizations were alleviated by purchasing, updating and maintaining required equipments. Beside expensive devices, physical space to hold them, technical staffs to maintain them and many other side costs were essential prerequisites of this matter....