https://www.theregister.co.uk/2017/10/19/youtube_krack_down/ >The YouTube account of the researcher behind the KRACK WPA2 Wi-Fi vulnerability was restored early on Thursday hours after it was shut down for violating "community guidelines". >Mathy Vanhoef‏ was told that his YouTube account had been sin-binned late on Wednesday. The move provoked criticism from security pros. Around two hours later the account was restored, also without explanation. In the meantime Vanhoef created an account at Vimeo.