SecurFlow safely prevents access from an non-secured area to a secured one while optimizing the throughput. SecurFlow combined cameras and sensors systems accurately detects objects as small as 2 cubic inches either thrown (“flying”) or abandoned within the portal. SecurFlow’s modular structure adapts to architectural requirements or space constraints. The two-door and the three-door models can be coupled with a swing gate speed-lane corridor. SecurFlow’s LED lighting system has outputs inside and outside the portal indicating functioning modes or directions to the users.