Britain’s National Cyber Security Centre says experts from Russia’s foreign military intelligence agency, or GRU, carried out the attacks on Kyiv’s Metro and Odesa’s Airport, Infrastructure Minister Volodymyr Omelyan said in a statement in advance of the one year anniversary of the Oct. 24, 2017 attacks. Although both transportation entities have taken cyber security measures, he said: “There is no guarantee that attempts to disable critical industry enterprises will not be repeated.”