Hackers Leak Documents From Pentagon IT Provider Leidos (1)

Hackers have leaked internal documents stolen from Leidos Holdings Inc., one of the largest IT services providers to the US government, according to a person familiar with the matter.

Leidos recently learned of the issue and believes the documents were stolen in a previously disclosed breach of a Diligent Corp. system it used, said the person, who asked not to be identified because the information isn’t public. Leidos is investigating the issue, the person added.

Shares in the IT services firm fell more than 4% in after-hours trading before largely erasing losses. The stock has gained over 40% this ...