Students, behind a banner reading “15 minutes for 15 lives,” block a street in Belgrade on Dec. 12, standing in silence to honor the 15 victims of the tragedy that occurred at the railway station in Novi Sad in November. (Photo by Andrej ISAKOVIC / AFP)
LONDON, ENGLAND – NOVEMBER 24: The “Grindr” app logo is seen amongst other dating apps on a mobile phone screen on November 24, 2016 in London, England. Following a number of deaths linked to the use of anonymous online dating apps, the police have warned users to be aware of the risks involved, following the growth in the scale of violence and sexual assaults linked to their use. (Photo by Leon Neal/Getty Images)
Norway’s parliament in Oslo. Norwegian authorities have pointed the finger at Russia’s Fancy Bear for a cyberattack on the legislative body (Eric Lumsden/Flickr).