![](https://cdn.defenseone.com/media/img/cd/2015/12/07/jehlook2/860x394.jpg?1627541647)
Kristoffer Tripplaar for Defense One
Watch: Leadership Briefing with DHS Secretary Jeh Johnson
On Dec. 7, 2015, the secretary discussed a new threat-alert system, the San Bernardino shooting, and more.
Secretary of Homeland Security Jeh Johnson sits down for a candid conversation with Defense One about the spread of threats from the battlefield to the homefront, and how DHS is working together with the Pentagon, intelligence community and other law enforcement agencies to fight the war on terrorism, stand up cyber defenses, secure U.S. borders and tackle other issues.
Watch the event, right here.