Some students (including this one) received this email earlier today:
from: Columbia University
date: Tue, Aug 17, 2010 at 8:06 AM
subject: Please read! Important message
Please click the link below, log in and read important news from Columbia University:
http://cubmail.cc.columbia.edusn.net/c/?horde/imp/login.php
Best regards,
Columbia University
Notice something strange about it? That's right, that hyperlink in it is not to Cubmail or an other columbia.edu site (though it's trying to mask itself as legit). The University confirms that it's a scam mining for UNIs and passwords.