One•On•One ('wən•on•ˈwən) — adjective or adverb
1. playing directly against a single opposing player. 2. involving a direct encounter between one person and another.
se•cu•ri•ty (si kyŏr´i tē) — noun
1. freedom from danger, risk, etc.; safety. 2. freedom from care, anxiety, or doubt. 3. something that protects or makes safe; defense. 4. precautions taken to guard against crime, sabotage, etc. Security is defined as a feeling of safety and confidence. Within the realm of computer security, it is the ability of a system to protect the Confidentiality, Integrity, and Availability of information and resources.