accessing data not intended for such user or logging into a server or account which the user is not authorized to access. attempting to probe, scan or test the vulnerability of a system or network or to breach security or authentication measures without proper authorization. attempting to interfere with service to any user, host or network, including, without limitation, via means of submitting a virus to the Website. overloading, "flooding", "spamming", "mail bombing" or "crashing". forging any TCP/IP packet header or any part of the header information in any e-mail or newsgroup posting. Violations of system or network security may result in civil and/or criminal liability.