The CIA’s site was taken down by a denial of service attack, which means “overloading the site’s server with requests for access,” reports the Washington Post.
These cyber break-ins underscore the need for better protection of sensitive information online. It's not a new phenomenon, though; the CIA's website was also taken offline back in 1996.
LolzSec recently announced that it would take requests for which sites it would attack next; the group has a website that relates its latest deeds as well as a Twitter feed. Its Twitter motto: “The world's leaders in high-quality entertainment at your expense.”