Adversary Intelligence Services — 2026-03-31

Russia Expels British Diplomat Over Alleged Economic Espionage, UK Rejects Accusations

Russia's FSB ordered British diplomat Albertus Gerhardus Janse van Rensburg, second secretary at the British Embassy in Moscow, expelled within two weeks over allegations of economic espionage. The FSB claimed the diplomat attempted to obtain sensitive information through informal meetings with Russian economic experts and provided false information when obtaining entry permission. The UK Embassy dismissed the allegations as completely baseless and accused Russia of an increasingly aggressive campaign of harassment. Van Rensburg is the 16th British diplomat expelled from Moscow in two years.

Analysis
The 16th British diplomat expelled from Moscow in two years sustains Cold War-tempo intelligence confrontation between Russia and the UK. The FSB's framing of economic espionage, rather than the more typical military or political allegations, may reflect Russia's sensitivity to Western monitoring of sanctions evasion and energy trade rerouting critical to war financing. Cross-reference: the GRU assassination network dismantled in Kyiv (above) shows Russian intelligence services operating aggressively on multiple fronts: FSB against Western diplomatic intelligence collection, GRU against Ukrainian military leadership.

1 sources

UK slams Russia's harassment campaign after Moscow expels British diplomat over spying claims - Kyiv Independent