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 with the graffiti and The Simpsons cameo called "Black or White (Michael Jackson's Vision)." Starting in 1992, Nocturne Video Productions began playing the "Panther Segment" of the video as an interlude during Michael's "Dangerous" world tour. The clip is 20 seconds shorter than the original, omitting all the violence and the sexually suggestive scenes. The scene of the pants re-zipping was retained. In predominantly Islamic countries during the HIStory Tour, the scene was replaced with the Carmina Burana "Brace Yourself" montage originally used as the intro in the previous Dangerous Tour. "Black or White" has been covered by some artists