White hat (computer security) certification covers orderly, ethical hacking techniques and team-management. Aggressor teams are called "red" teams. Defender teams are called "blue" teams. When the agency recruited at DEF CON in 2012, it promised applicants that "If you have a few, shall we say, "indiscretions" in your past, don't be alarmed. You shouldn't automatically assume you won't be hired". White hat (computer security) The term "white hat" in Internet slang refers to an ethical computer hacker, or a computer security expert, who specializes in penetration testing and in other testing methodologies that ensures the security of an organization's information systems. Ethical hacking is
Hacker culture tend to emphatically differentiate themselves from what they pejoratively call "crackers"; those who are generally referred to by media and members of the general public using the term "hacker", and whose primary focusbe it to malign or for malevolent purposeslies in exploiting weaknesses in computer security. The Jargon File, an influential but not universally accepted compendium of hacker slang, defines hacker as "A person who enjoys exploring the details of programmable systems and stretching their capabilities, as opposed to most users, who prefer to learn only the minimum necessary." The Request for Comments (RFC) 1392, the Internet Users' Glossary, amplifies