Russians are exploiting the point of vulnerability of troops smartphones. The attacks are not vulnerable though, but could prove enough for the Russians to know the movement of the troops and get sensitive data. An investigation revealed Russia had been using a portable antenna to access phones in the region. An Estonian soldier stationed on the Russian border in March said his phone suddenly started playing hip-hop music that he hadnt downloaded and his contacts began disappearing from his phone. The Russian Defense Ministry is yet to comment on this acquisition.”]
Source: https://hackercombat.com/russians-hacking-nato-soldiers-smartphones/