National Security Agency
The National Security Agency has declassified a substantial cryptologic and signals-intelligence record, including the famous VENONA project. DeclassDB makes these releases searchable in one place.
Search below for NSA history, cryptology, and declassified SIGINT material.
What you’ll find
- VENONA — decrypted Soviet intelligence cables
- Cryptologic histories and code-breaking records
- Cold War signals-intelligence releases
File a FOIA request with the NSA FOIA office using the builder below for records not yet declassified.
Open the FOIA Request Builder →🗂️
DeclassDB
Search millions of declassified intelligence documents — the CIA CREST database, JFK files, STARGATE, MK-Ultra, and other special collections.
Document not released yet? Build a FOIA request → Free guided letter generator for any U.S. federal agencyAll Sources
1900
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2026