Cornell University does not monitor its networks for content, but content owners aim their detection systems at campus networks, including Cornell's network, because it's the perfect “fish in a barrel” scenario:
In particular, content owners look for peer-to-peer filesharing programs violating copyrights by distributing music, movies, television, games, or software. See How You Can Be Identified as Sharing Files.
Do this PRIOR to connecting to the Cornell network anywhere on campus. See How to Uninstall Fileshare Software.
Help protect your computer from being compromised. To download and install free antivirus, provided by Cornell, see Antivirus How to....