DHS stands for Department of Homeland Security. It depends on the Federal Government of the United States and has the responsibility of protecting the American territory from terrorist attacks and responding to natural disasters.
In this website you can find useful information organized by categories, such as: information sharing & analysis, prevention & protection, preparedness & response, research, commerce & trade, travel security & procedures, and immigration. You can also start a different navigation in the web, whereas you’re a citizen, a first responder, represent a business, the government, or you’re a job seeker. In each of those categories, you can find useful links and information. If you’re looking for anything in particular, you can use their search engine or check the site map. So, if you want to know anything about the DHS, just visit this site.