Security experts say zombie TV warning exposes flaws

The zombie attack alert issued on a handful of US TV stations this week is more serious than a mischievous hacker prank say cyber experts, who warn the incident exposes lax security practices in a critical public safety system.

While broadcasters said poor password security paved the way for the bogus warning, security experts said the equipment used by the Emergency Alert System remained vulnerable when stations allow it be accessed via the public Internet.