Infiltration

Infiltration may refer to:

• Infiltration (HVAC), a heating, ventilation, and air conditioning (HVAC) term for air leakage into buildings
• Infiltration (hydrology), downward movement of water through soil
• Infiltration (medical), the diffusion or accumulation of substances not normal to it or in amounts in excess of the normal
• Infiltration (zine), a popular urban exploration zine/website created by Jeff Chapman (a.k.a. Ninjalicious)
• InfiltrationMod, a tactical shooter game
• Infiltration tactics, tactics developed by the German army in 1917 that broke the trench-warfare stalemate on the western front
• An attempt to sneak across a border, or into a guarded place. See also Palestinian infiltration.
• In sociology and politics, infiltration may refer to entryism. For example, organization A's members furtively join organization B so that A can try to take over B
• Espionage
• Urban exploration, exploring parts of towns etc which are normally off-limits
• The Transformers: Infiltration, a 2006 comic book series by IDW Publishing