Software as a service (SaaS) featuring software for managing a monitoring, alarm and notification system for use in buildings to detect water, temperature or unauthorized entry; Providing temporary use of non-downloadable software accessible via the global computer network to provide an online portal for managing a monitoring, alarm and notification system that can be used to detect water or flooding within a building interior which can be indicative of a pipe leak or rupture or an overflow condition, room temperature, unauthorized physical intrusion, or open or unsecured building entry points