The Klingon Imperial information net or Klingon Central information net was the main database of information for the Klingon Empire, including biographical records and the public records of the High Council.

In 2366, Lieutenant Commanders La Forge and Data accessed the Klingon Central information net from the USS Enterprise orbiting Qo'noS. Looking for information pertaining to the Khitomer Massacre, they found data the Klingons had recently captured from a Romulan vessel and which indicated that the massacre was enabled by the treachery of Mogh. A comparison of this information with the logs of the USS Intrepid revealed a discrepancy, however, showing that the data had deen tampered with in order to shift the blame away from the true traitor, Ja'rod of the House of Duras. (TNG: "Sins of the Father")

Shortly before her death in 2367, Ambassador K'Ehleyr requested diplomatic access from her quarters aboard the Enterprise to the Klingon Imperial information net with her security code pah doQ cha!. As Duras, son of Ja'rod, had previously restricted access to a summary of the most recent High Council inquiry regarding the Khitomer Massacre to a du ko cha clearance, K'Ehleyr instead accessed the biographical file on Councilor Duras. He received later a priority message from Qo'noS about K'Ehleyr's attempt to access restricted Council records and subsequently confronted and murdered her. (TNG: "Reunion")

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