Security hacker another crime such as destroying information contained in that system". These subgroups may also be defined by the legal status of their activities. A white hat hacker breaks security for non-malicious reasons, either to test their own security system, perform penetration tests, or vulnerability assessments for a client - or while working for a security company which makes security software. The term is generally synonymous with ethical hacker, and the EC-Council, among others, have developed certifications, courseware, classes, and online training covering the diverse arena of ethical hacking. A "black hat" hacker is a hacker who "violates computer security for
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