Black hat groups often portrayed in popular culture, and are "the epitome of all that the public fears in a computer criminal". Black hat hackers break into secure networks to destroy, modify, or steal data, or to make the networks unusable for authorized network users. Black hat A black hat hacker (or black-hat hacker) is a hacker who "violates computer security for little reason beyond maliciousness or for personal gain". The term's origin is often attributed to hacker culture theorist Richard Stallman (though he denies coining it) to contrast the exploitative hacker with the white hat hacker who hacks protectively by drawing
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