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2013 in tech: The big stories of the year

In January, Homeland Security warned users to disable Java amid a zero-day vulnerability. Oracle, which develops the software, said it fixed the bug but Homeland Security warned not long after that the bug persisted.

Lo and behold a month later, Apple and Facebook, among other Silicon Valley giants, said they suffered an internal network hack as a result. The companies said no customer data was stolen, the companies said.

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