Platform as a service (PaaS) and software as a service (SaaS) featuring computer software platforms for onboarding software applications onto an organization's network, for allocating permissions to users for accessing the software applications, for creating a digital catalog that defines permissions and parameters for the software applications, and for monitoring and enforcing the permissions associated with the software applications; providing temporary use of a non-downloadable web application for onboarding software applications onto an organization's network, for allocating permissions to users for accessing the software applications, for creating a digital catalog that defines permissions and parameters for the software applications, and for monitoring and enforcing the permissions associated with the software applications; platform as a service (PaaS) and software as a service (SaaS) featuring computer software platforms for use by banks and financial institutions to enable rapid data security updates across a variety of software applications that are utilized within banks and financial institutions; providing temporary use of a non-downloadable web application for use by banks and financial institutions to enable rapid data security updates across a variety of software applications that are utilized within banks and financial institutions; platform as a service (PaaS) and software as a service (SaaS) featuring computer software platforms to enable rapid data security updates across a variety of software applications; providing temporary use of a non-downloadable web application to enable rapid data security updates across a variety of software applications