DSC shock sensors, SS-101 and SS-102, have the ability to detect and analyze seismic vibrations caused by attempted break-ins before the intruder is able to enter the premise. These sensors are ideal for residential, commercial, government buildings and financial facilities. They feature a unique bi-colored LED to indicate minor or major attacks, full anti-tamper protection, a moisture-resistant electronics module, and an analyzer that enables sensitivity adjustment of the sensors. Both sensors have a high immunity to low-frequency false alarms and radio interference and are compatible with all makes of control panels. The SS-102 is able to monitor for minor vibrations (and count them to a preset limit) and for major attacks at the same time.