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 to be promoted on radio stations the first week of November 1991 in New York and Los Angeles. "Black or White" was officially released one week later, on November 5, 1991. The song has elements of dance, hip hop and hard rock music such as Bill Bottrell's guitars and Jackson's vocal style. This song is played in the key of E major, with Jackson's vocal spanning from E3 to B4, and its tempo is measured at 115 BPM. The song's main riff is often incorrectly attributed to Guns N' Roses guitarist Slash. His guitar playing is actually heard in the