In response to any incidents, including the ones identified in this case, we work with national security, law enforcement and public safety personnel, as well as with our chief security officer in the branch, to identify improvements to protocols and procedures that will help prevent or provide early warning for any such instances in the future.
It's really important to review these constantly, given the evolving nature of security threats, and to maintain our investments—not just physical updates, but also extensive programs for training and employee awareness—because these measures are strengthened by a culture in which one is not only aware but fully compliant with the measures that are in place. We have expended energy on both of these fronts.