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Cicada 3301
John Greenewald, 2019. The Black Vault, NSA collection, 29 October 2019 (updated 10 June 2020).
Freedom of Information requests about Cicada 3301 and the replies: no records from the FBI, the CIA or the NSA's Intellipedia, and one 27-page NSA document released as a PDF.
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The only public test of the intelligence-agency reading.
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Research copy, for editors and curators. The work is the publisher's, so readers are sent to it. We keep this copy so the citation can be checked if the page changes or goes.
theblackvault.com · fetched 29 Oct 2026
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Cicada 3301
MYSThe mystery article
Cite it
Greenewald, J. (2019). Cicada 3301. The Black Vault, NSA collection, 29 October 2019 (updated 10 June 2020). https://www.theblackvault.com/documentarchive/cicada-3301/
@misc{greenewald2019blackvault,
author = {Greenewald, John},
title = {Cicada 3301},
howpublished = {The Black Vault, NSA collection, 29 October 2019 (updated 10 June 2020)},
year = {2019},
url = {https://www.theblackvault.com/documentarchive/cicada-3301/}
}TY - ELEC TI - Cicada 3301 AU - Greenewald, John PY - 2019 JO - The Black Vault, NSA collection, 29 October 2019 (updated 10 June 2020) UR - https://www.theblackvault.com/documentarchive/cicada-3301/ ER -
Greenewald, John. “Cicada 3301.” The Black Vault, NSA collection, 29 October 2019 (updated 10 June 2020) (2019).