Arnold & Porter LLP has one of the premier national security law practices in the country, including former high-ranking officials of the Central Intelligence Agency, National Security Agency, DOJ, and Department of State. We advise clients on transactional and litigation matters involving export controls, electronic surveillance, security clearances, and foreign payments. Our experience extends to representing companies and individuals in criminal or enforcement proceedings with national security implications. In recent years, we have represented employees of government agencies accused of security violations or leaks, and individuals and corporations accused of violating US sanctions or export regulations, or of making illegal foreign payments. Several of our attorneys have current Top Secret clearances and are widely known and respected in the national security community.