Homeland Security Act ( HSA ) of 2002 , ( ) was introduced in the aftermath of the September 11 attacks and subsequent mailings of anthrax spores . The HSA was cosponsored by 118 members of Congress . The act passed the U.S. Senate by a vote of 90-9 , with one Senator not voting . It was signed into law by President George W. Bush in November 2002
September 11 attacks
September 11 attacks
Homeland Security Act