ShelterZoom is a technology company specializing in cybersecurity and document control solutions. Their products include "Document GPS" and "Spare Tire". Document GPS focuses on encrypting, tracking, and recalling email attachments, providing features like revoking sent attachments and real-time reporting on attachment access. Spare Tire offers cyber resilience and business continuity solutions for the healthcare sector, ensuring operational stability during electronic health record (EHR) system downtimes.