What is security word?

What is security word can mean several things depending on context, but generally security word refers to a password, safe word, or code word used to verify identity or signal safety. In security systems, security word is a secret word you set with alarm company that you must provide when they call to verify you are authorized user and not an intruder, if you cannot provide correct security word they dispatch police. In online accounts, security word may refer to password or security question answer used to protect account. In personal safety and intimate situations, safe word is agreed word to stop activity if uncomfortable. In classified government work, security word may refer to code word for compartmented programs. In everyday language, security word might mean a word that makes you feel secure or slogan. If asking for definition of word security itself, security means state of being free from danger or threat, protection, and confidence. For example in dictionary security is defined as measures taken to guard against crime, attack, or escape, or condition of being protected. So security word is essentially a verbal key used to authenticate or ensure safety in various contexts.