Infiltration refers to the process of entering or penetrating an area, organization, or system covertly, often with the intention of gathering information, causing disruption, or gaining unauthorized access. In military contexts, it describes the stealthy entry of personnel or equipment into enemy territory. In computing, it can refer to the unauthorized access to a network or system. The term is also used in environmental science to describe the process by which water on the ground surface enters the soil. In Hebrew, infiltration is translated as חדירה (pronounced "khadira"). In Spanish, it is infiltración, in French infiltration, and in German Infiltration. Key contextual information includes the methods used for infiltration, such as disguises, hacking techniques, or natural processes, and the potential consequences, which can range from strategic advantages to severe security breaches.