“Recent reports indicate that Russian forces used hacking to intercept a U.S. surveillance drone flying over the Crimea region of Ukraine in March. Allegedly, hackers were able to sever the connection between the drone and its operator using ‘complex radio-electronic technology.’
Additional coverage indicates a wide range of cyberactivities under way during the standoff, from primitive vandalism of Russian websites by Ukrainian hackers to more sophisticated operations, such as the possible Russian use of ‘Snake’ malware to stealthily siphon information from various networks.”
Source:Russia Hacks a U.S. Drone in Crimea as Cyberwarfare Has Gone Wireless – US News