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
Internet Optimizer Internet Optimizer Internet Optimizer, also known as DyFuCA is an adware and a spyware program, which first appeared in 2003. It typically redirects Internet Explorer error pages to advertising pages. It may be installed as a drive-by download via an ActiveX component, usually via nuisance affiliate porn webpage popups. Users suspicions are lulled by it's installer title as "Internet Optimizer" under the guise of the name of the otherwise unrelated Moneytree, while the C&C domains accessed were usually named with the prefix ""mtree"". When users follow a broken link or enter an erroneous URL, instead of the browser's internal default