There is a video circulating online that when played once can temporarily stop your iPhone or iPad from working. The only way to get affected devices working again is to run a hard reset to bring them back to life. Honey trap The video consists of a seemingly innocuous .mp4 clip.
Article Link: http://www.computerworld.com/article/3143944/apple-ios/iphone-crashing-prank-video-bug-and-our-uncertain-security-future.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:%20computerworld/s/feed/topic/17%20(Computerworld%20Security%20News)
Credit to: https://cert.europa.eu