Port Authority CSO Joseph Dunne announced the appointment of Louis Koumoutsos as Chief of the nearly 1,600-member Port Authority Police Department.

U.S. border agents are allowed to search a traveler’s laptop, cellphone or other electronic device and keep copies of any data on them based on no more than a hunch, according to an internal study from the Homeland Security Department. 

Plans to move visitor screening to Ellis Island have been called off due to disagreements over security procedure with the Department of the Interior, local law enforcement and politicians.

Recent incidents of ricin being mailed to the White House and members of Congress are a chilling reminder that the mail system continues to be used by those wishing to do harm.

For many of Boston's hotel security directors, the day started like so many other Marathon Mondays, a calm morning full of excitement and anticipation for the events about to begin in the quaint New England town of Hopkinton, 26.2 miles from the Marathon's finish line in Boston's historic Copley Square.

Additional checkpoints at Ellis and Liberty Islands will replace the security screening prior to boarding a ferry to the New York landmarks. 

Molotov cocktails, an assault rifle and the beginnings of pipe bombs were reportedly found in the Minnesota resident's home.

78 percent of Americans polled after the Boston Marathon bombing said that public surveillance is a good idea, despite privacy infringement concerns. 

Biological terrorism attacks, ground-to-air missiles and other evolving threats have motivated the UK Home Office to implement additional counter-terrorism measures. 

Canines trained to detect explosives on people in high-risk airports are instead being used to screen cargo, in some cases, the GAO reports.