Meaning of PENETRATION in English
1. The passage through a partition or wall of an equipment or enclosure by a wire, cable , or other conductive object. ( 188 ) 2. [The] unauthorized act of bypassing the security mechanisms of a cryptographic system or AIS. [ NIS ] 3. The passage of a radio frequency through a physical barrier, such as a partition, a wall, a building, or earth.
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012