A probe station includes a fully guarded chuck assembly and connector mechanism for increasing sensitivity to low-level currents while reducing settling times. The tapered feed rolls may pull individual workpieces toward a guide while gradually accelerating the workpieces and altering their direction of travel. In the expanded condition, the insert provides support to the TMJ and associated ligament and muscle structures. The cables are connected to the safety valve drive unit and used to transfer the auto-depressurization system actuating signals for the four segments. Embodiments of the present invention enable detection of data modifications across an operating system’s kernel and user mode spaces, prevention of modified outbound data from reaching a network, prevention of modified input data from reaching a user application, and detection of malware and faults within an operating system.