A flat-footed character is vulnerableA vulnerable character loses his Dexterity bonus to Defense (if positive), as well as all dodge bonuses to Defense. He may also be targeted with a variety of special effects, such as sneak attack damage. . He stops being flat-footed when he takes an action, or is successfully attacked.

Spycraft 2.0
Characters - Skills - Feats - Gear - Combat - Dramatic Conflict