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In 1970, the US embassy in Vienna acquired a villa on Pötzleinsdorfer Straße 126. Equipped with advanced radio reception systems (with #NSA assistance), the Foreign Broadcast Information Service (FBIS) began its operations there 2/7 
Discone antennas are installed on the roof of the Russian mission. They are used for local communication with members of the mission, but also specifically for counterintel. The discone antenna is used by intel services worldwide because of its wide bandwidth characteristics 2/5
1. #OrganisationGehlen (Org.) cover firm Gloria Film Verleih GmbH at Karlsplatz 7. For years, the cinema and film distribution company serves as a cover for operations and staff. The cinema Gloria Palast at Stachus still exists today 2/8
Almost 10 years ago, China opened a new Consulate General in Munich, Hofmannstraße 57. The largest of its kind in Europe. The equipment on the roof has also been expanded over the last 5 years. Security experts suspect #SIGINT activities behind this and more 2/14 
He survived but his recovery was long and painful. Moscow 1963, the West German embassy was extensively bugged by the #KGB. At the time Horst Schwirkmann was an electronics specialist at the #BND's Central Cipher Centre - Zentralstelle für das Chiffrierwesen (ZfCh) in Bonn 2/8
In 1975, the Soviet embassy moves to Viktorshöhe in Bonn. A new building is quickly erected on the site. USSR technicians rapidly expand the #SIGINT capacities on the buildings. The location on the hill is ideal for interception operations 2/7
The Russian Embassy in the Uccle district in Brussels is large. There are many buildings on the premises. The roof of a residential building and the main building are particularly eye-catching. 17 satellite dishes (red), different antennas (green) and 5 #sigint sheds (yellow) 2/7 
Russian #SIGINT activities in Germany have increased significantly in the last decade. In the middle of Berlin, on the edge of the government district, surrounded by government administration buildings, lies the Russian Embassy 2/12 
https://twitter.com/wort_lu/status/1585215535121309696In an undated interview, former Rossotrudnichestvo official Tatiana Poloskova criticises the cultural institution's involvement with intelligence services. Poloskova is a political analyst and state advisor of the Russian Federation. She knows Putin's power apparatus 2/10
The full scale of GDR espionage in West Germany only became known after the fall of the Wall. An important #Stasi spy station was located in Bonn at Godesberger Allee 18. The "Ständige Vertretung" (StäV) of the GDR - a kind of embassy. Active 1974 to 1990. Code name "Park" 2/6 

The "Haus am Berg" with the address Geitau 21 was a holiday guesthouse with a view of the Alps. Geitau, a tourist spot between Schliersee and Bayrischzell. But the lonely house on the mountainside had another function. It served as a secret commando bunker for the #Stasi 2/12 


Hamburg's St. Pauli district attracts many figures - tourists, homeless people, love-seekers and sailors. And it is precisely these that various Western intelligence services are targeting during the Cold War. 2/7
Under Soviet pressure exerted since the late 1960's, Luxembourg agreed to sign an air traffic memorandum with the USSR in 1974 and a formal agreement in 1975. Shortly afterwards #Aeroflot opens a travel agency in Luxembourg city 2/13
https://twitter.com/thomas_riegler/status/1313571680015519745Between 1960 and 1980, the #BND was highly supportive of radio reconnaissance in particular. The espionage was of course also aimed at the Soviet presence in Austria 2/7

A CIA report (1965) states: ‚CADITE (BND) has an archaic index card and file system which involves some 1,5 million index cards which lead to dossiers filed in country sections and subfiled by intelligence service. There is no document control‘ 2/6