Halderman and other computer experts say the penetration highlights flaws in online voting that cannot be fixed at present.
哈德曼和其他电脑专家说黑客入侵凸显了网上投票的缺陷，而且这些缺陷目前无法弥补。
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Halderman wouldn't speak to reporters at his house Saturday morning and threatened to call police if they didn't leave the private road that leads to his modest three-bedroom house.