We have a don't ask, don't tell policy at FITES. We encourage everyone to have a fully licensed copy for their use.
That said... We do not put anything into place to prevent the illegal use of software.
Also, something to consider is... "cracked" games often have difficulty joining non cracked servers. From my experience... people who play cracked games at lans have a significantly higher "problem" rate trying to get into a game at a lan.