Attack from Concealment is a military tactic used to surprise an enemy. It involves attacking from a hidden position, such as behind cover or in the shadows. The two crossword solutions for this term are SNIPE and AMBUSH. Sniping is a form of Attack from Concealment where a sniper uses a long-range rifle to fire at an enemy from a concealed position. AMBUSH is another form of Attack from Concealment where a group of attackers use surprise and overwhelming force to attack an enemy from a hidden position.