Frustrated by the government’s approach to protecting sensitive security information, a federal judge has crafted a compromise so depositions can proceed in earnest in the litigation against airlines and airports over the Sept. 11, 2001, terror attacks.

Southern District of New York Judge Alvin K. Hellerstein said he had to intervene “to avoid further and unnecessary delay in the progress of these cases and relieve counsel of the inherent conflicts and artificial roles” that the position of the Transportation Security Administration has created for plaintiffs lawyers.