Users are prohibited from violating or attempting to violate the security of the Web Site, including, without limitation, (a) accessing data not intended for such user or logging into a server or account which the user is not authorized to access, (b) attempting to probe, scan or test the vulnerability of a system or network or to breach security or authentication measures without proper authorization, (c) attempting to interfere with service to any user, host or network, including, without limitation, via means of submitting a virus to the Web Site, overloading, "flooding", "spamming", "mailbombing" or "crashing", (d) sending unsolicited e-mail, including promotions and/or advertising of products or services, or (e) forging any TCP/IP packet header or any part of the header information in any e-mail. Violations of system or network security may result in civil or criminal liability.