It took Belgian intelligence years to decide if a top colonel was spying for Russia, potentially exposing Nato to "grave damage".
And even if he was innocent, leaked files painted a picture of the Nato and EU host state as a playground for Ferrari-driving spies and shisha-smoking criminals.
Nato has four levels of classification.
The highest one, called "cosmic top secret", covers information that could cause "exceptionally grave damage" to the Western alliance if it got ...
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Already a member? Login hereAndrew Rettman is EUobserver's Foreign Affairs Editor. He has been writing about foreign and security affairs for EUobserver since 2005. He is Polish but grew up in the UK. He has also written for The Guardian, The Telegraph, and The Times of London.
Andrew Rettman is EUobserver's Foreign Affairs Editor. He has been writing about foreign and security affairs for EUobserver since 2005. He is Polish but grew up in the UK. He has also written for The Guardian, The Telegraph, and The Times of London.