The Latest Breaking News from National Security

U.S. national security adviser Jake Sullivan met with Turkish President Tayyip Erdogan's chief adviser Ibrahim Kalin in Istanbul on Sunday and discussed "progress on NATO accession for Finland and Sweden", the White House said in a statement.

PM Modi said there were instances when notes from the National Security Council Secretariat were not given due importance

The U.S. will announce a new Ukraine security aid package next week, White House national security adviser Jake Sullivan said on Friday.

U.S. national security adviser Jake Sullivan and NATO Secretary-General Jens Stoltenberg on Friday discussed concerns over Russia's attempted annexation of Ukraine territory and the apparent sabotage of the Nord Stream 2 pipeline, the White House said in a statement.

The U.S. has sanctioned more than 1,000 people and firms connected to Russia’s invasion of Ukraine, including its Central Bank governor and families of National Security Council members, after President Vladimir Putin signed treaties absorbing occupied regions of Ukraine into Russia, in defiance of international law

Ukraine's National Security and Defence Council met on Friday to discuss measures Russian President Vladimir Putin's proclamation of Moscow's annexation of a swath of Ukrainian territory.

A former National Security Agency employee is charged with trying to sell classified information to a foreign government

DENVER — A former National Security Agency employee in Colorado has been charged with violating the Espionage Act for allegedly trying to send classified national defense information to a foreign government.

WASHINGTON — As momentum shifted toward impeaching then-President Donald Trump for withholding aid to Ukraine in 2019, U.S. Rep. Adam B. Schiff counseled Speaker Nancy Pelosi and the seven moderate freshman Democrats whose Washington Post op-ed supporting impeachment in essence forced the hand of House leaders, according to a new…