An invasive program is a benign or malevolent computer program
not native to a target computer's environment, and forcibly
maintaining itself within that target environment, with or
without that system's knowledge of the program's existence. In
2368, an invasive paradoxical puzzle program was developed by
Commanders Geordi La Forge and Data as an unconventional weapon
in the war against the Borg for use as an exploit of Hugh's
subspace transceiver link to the Borg Collective. The program
would initially be "nothing more than a minor distraction" to
the Borg, but would require exponentially-increasing amounts of
processing time to solve this no-solution puzzle, thus
eventually occupying the entire Collective's resources. The
ultimate goal was to starve the Borg, as their cortical nodes
would be so consumed with solving the puzzle they would forget
to nourish their organic components. In 2369, an alien probe
from the Gamma Quadrant transmitted the "Pup" non-biological
lifeform to Deep Space 9 space station. "Pu