Security hacker little reason beyond maliciousness or for personal gain" (Moore, 2005). The term was coined by Richard Stallman, to contrast the maliciousness of a criminal hacker versus the spirit of playfulness and exploration in hacker culture, or the ethos of the white hat hacker who performs hacking duties to identify places to repair or as a means of legitimate employment. Black hat hackers form the stereotypical, illegal hacking groups often portrayed in popular culture, and are "the epitome of all that the public fears in a computer criminal". A grey hat hacker lies between a black hat and a white hat
Prefix "ent-" (negation) can be considered the opposite of particle "be-", while "er-" can be considered the opposite of "ver-". The prefix "er-" usually indicates the successful completion of an action, and sometimes the conclusion means death. With fewer verbs, it indicates the beginning of and action. The prefix "er-" is also used to form verbs from adjectives (e.g. "erkalten" is equivalent to "kalt werden" which means "to get cold"). Prefix A prefix is an affix which is placed before the stem of a word. Adding it to the beginning of one word changes it into another word. For example, when