Grey hat Grey hat The term "grey hat", alternatively spelled as "greyhat" or "gray hat", refers to a computer hacker or computer security expert who may sometimes violate laws or typical ethical standards, but does not have the malicious intent typical of a black hat hacker. The term began to be used in the late 1990s, derived from the concepts of "white hat" and "black hat" hackers. When a white hat hacker discovers a vulnerability, they will exploit it only with permission and not divulge its existence until it has been fixed, whereas the black hat will illegally exploit it and/or tell
Black or White skit that precedes the album version of the song. Slash did, however, play the main riff during live performances of the song. To prepare the audience for the special occasion of the televised premiere of the "Black or White" video, Epic records released the song (without the accompanying images) to radio stations just two days in advance. In a period of twenty-four hours, "Black or White", described by the record company as "a rock 'n' roll dance song about racial harmony", had been added to the playlists of 96 percent of 237 of the United States of America's top forty