This report outlines an array of homeland security issues that may come before the 115th Congress. After a brief discussion of the definitions of homeland security, the homeland security budget, and the role of homeland security actors in the intelligence community, the report divides the specific issues into five broad categories: Counterterrorism and Security Management; Border Security and Trade; Disaster Preparedness, Response, and Recovery; Cybersecurity; and DHS Management Issues. Each of those areas contains a survey of topics briefly analyzed by Congressional Research Service experts. The information included only scratches the surface of most of these selected issues. More detailed information on these topics and others can be obtained by consulting the CRS reports referenced herein, or by contacting the relevant CRS expert.