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
Longest prefix match Longest prefix match Longest prefix match (also called Maximum prefix length match) refers to an algorithm used by routers in Internet Protocol (IP) networking to select an entry from a forwarding table. Because each entry in a forwarding table may specify a sub-network, one destination address may match more than one forwarding table entry. The most specific of the matching table entries — the one with the longest subnet mask — is called the longest prefix match. It is called this because it is also the entry where the largest number of leading address bits of the destination address match