- F ID A523696 TOP SECRET UNITED STATES CRYPTOLOGIC HISTORY U American Cryptology during the Cold War 1945- 1989 U Book III Retrenchment andReform 1972-1980 Derived From Declassify on CCH-S54-9 H 1 TOP SECRET DECLASSIFIED UNDER AUTHORITY OF THE lNTERAGENCY SECURITY CLASSIFICATION APPEALS PANEL E O 13526 SECTION 5 3 b 3 ISCAP NO 1 6M-02 1 Document 7 Date UL ' 1 z DOCID 523696 REF QUARTERLY ciphers which controlled the Vietnamese equipment Soon after the Manchester Guardian published an article about COMINT operations in Laos Then in the fall of 191' 1 in one ofhis more sensational columns Anderson stated that the United States had an interceptoperation in the American embassy in Moscow that not only intercepted Soviet communications but was collecting and exploiting the private car phone communications of Politburo leaders ' U Anderson NSA later discovered had aoqoired a boner top secret CIA National Intelligence Digests the unwitting courtesyr of an NSC staffer who had been in the habit of taking them home for a little bedtime reading After a marital falling out his wife took the accumulated Nine to Anderson who kept them in his of ce and used them in his columns over a period ofyenrs 12 0 13526 section I Withheld from public release Pub L 86-36 Withheld from public release Pub L 86-36 The previous ixlsider-tells-all account Herbert Yardley's The American Black Chamber had been written in a t of greed Yardley needed money People like Fellwocl could be bought by ideology It echoed the climate of the 19305 when the Soviets got their spies for free or at the very least for expense money U Ideology-based public revelations became fashionable with the publication in 1975 of est-CIA agent Phillip Agee's Inside the Company - A CIA Diary Although A5955 aim was covert operations organization he knew much about SIGINT and he revealed what he knew He claimed for instance that NSA had used close-in techniques to intercept plain text from the UARemhassy in Montevideo Uruguay He also claimed that Sides-built Hagelin' machines had vulnerabilities which NSA exploited to obtain plain text This document is from the holdings of The National Security Archive Suite 701 Gelman Library The George Washington University 2130 H Street NW Washington D C 20037 Phone 202 994-7000 Fax 202 994-7005 nsarchiv@gwu edu