"Enterprise-level features, flexibility and cost have always
been key factors for organizations that choose open source over
proprietary technology. For IT managers in the government sector,
however, these benefits often take a back seat to another software
characteristic: IT security. Is open source secure enough for the
government's IT infrastructure?
"Gartner analyst John Pescatore says that many open source
solutions are actually more secure than closed source solutions and
thus may even be a better fit in the government sector..."