Despite the coronavirus pandemic putting an end to travel and public gatherings, it did not lessen Russia's activity in its operations against Estonia, the Internal Security Service (ISS) wrote in its yearbook. At the height of the pandemic, the Kremlin's influence and intelligence activities against Estonia did not decrease. Closed borders and restrictions on public gatherings led local leaders of the Kremlin's policies of division to go online," ISS Director General Arnold Sinisalu wrote. Sinisalu noted that Russian espionage is a continuous and permanent threat to Estonia. The yearbook reads that in the turbulent coronavirus situation, local Kremlin followers saw an opportunity to "to spread their messages as they intensified their influence activities on social media".