2019-04-10T140712Z_590753263_RC1943E4F6B0_RTRMADP_3_ESTONIA-CYBER (2) (1)

Photo: A woman looks at the screens during the Locked Shields, cyber defence exercise organized by NATO Cooperative Cyber Defence Centre of Exellence (CCDCOE) in Tallinn, Estonia April 10, 2019. Credit: REUTERS/Ints Kalnins