Definition of "countersurveillance" []

• The art of evading surveillance (noun)

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• "To: Jeff Head just a little 'countersurveillance' going on is all,, they been using fishing trawlers for years for intelligence work I reckun .."
• "Gilani did five stints in the Lashkar camps over three years, learning about ideology, firearms, combat, countersurveillance and survival skills, court documents show."
• "In the summer of 2000, Lyn Redwood became so convinced that her phone was being tapped that she hired countersurveillance teams to examine her house."