China’s military hacked into the Pentagon’s computers about three months back, US officials have said.

From the Financial Times:

The PLA regularly probes US military networks — and the Pentagon is widely assumed to scan Chinese networks –- but US officials said the penetration in June raised concerns to a new level because of fears that China had shown it could disrupt  systems at critical times… Hackers from numerous locations in China spent several months probing the Pentagon system before overcoming its defences, according to people familiar with the matter.

The US has also said China probably only got “unclassified” information, although the Pentagon has no idea how much was downloaded.

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