The HSDL has identified and featured a selection of resources associated with primary topics in homeland security or topics particularly relevant to current issues in policy, strategy and organizational management. Browse below for featured resources or search the entire HSDL collection for a more comprehensive list.

Border Security 49 resources, last updated Mar 18 2013	Climate Change 45 resources, last updated Apr 29 2013
Cyber Infrastructure Protection 105 resources, last updated May 1 2013	Domestic Terrorism: Extremism 45 resources, last updated Mar 11 2013
Domestic Terrorism: Jihadist/Islamist 42 resources, last updated Mar 11 2013	Domestic Terrorism: Single-Issue Terrorism/Special-Interest Extremism 24 resources, last updated Mar 11 2013
Earthquakes 41 resources, last updated Aug 28 2012	Electronic Surveillance 60 resources, last updated Mar 1 2013
Energy Security 41 resources, last updated Oct 30 2012	Fusion Centers 39 resources, last updated May 17 2013
Gangs 37 resources, last updated Mar 7 2013	Hurricanes 54 resources, last updated Sep 11 2012
Immigration 57 resources, last updated Mar 23 2013	Interoperability 26 resources, last updated Jan 7 2013
Lone Wolf Terrorism 36 resources, last updated Dec 21 2012	Maritime Domain 36 resources, last updated May 17 2013
Mass Evacuation 66 resources, last updated May 17 2013	Mass Gatherings 50 resources, last updated Aug 17 2012
Military Role in Homeland Security 46 resources, last updated Mar 15 2013	Pandemic Influenza 60 resources, last updated Mar 1 2013
School Violence 81 resources, last updated May 17 2013	Sea Piracy 52 resources, last updated Apr 12 2013
September 11, 2001 Attacks 39 resources, last updated May 15 2013	Social Media Use in Emergencies 50 resources, last updated May 11 2013
Space Policy & National Security 24 resources, last updated Mar 18 2013	Suicide Bombers 55 resources, last updated Apr 19 2013
Unmanned Systems (UxS) 38 resources, last updated May 1 2013	Wildfires 58 resources, last updated Apr 1 2013