The ornamental design for a pinlesssecuritydevice, as shown and described.
FIG. 1 is a front perspective view showing the new design taken from the top end and left side thereof;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top end view thereof;
FIG. 5 is a bottom end view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a left side elevational view thereof; and,
FIG. 8 is a perspective view thereof.
In the drawings, the broken line showing of a retaining clip, and in FIG. 8 a shoe, depict environmental subject matter and form no part of the claimed design.