What department is HSI in the United States?

HSI is the Department of Homeland Security (DHS, HSI).

As a department of the US government, it is responsible for domestic security and the prevention of terrorist activities. It is a newly established federal department of the United States after the 9 1 1 incident. The main responsibility of the Department of Homeland Security is to defend homeland security and related affairs, so that the United States can respond to the threat of terrorist attacks more harmoniously and effectively.

This department is mainly responsible for four aspects:

1. Strengthen the safety of air and land traffic and prevent terrorists from entering the United States;

Second, improve the ability of the United States to deal with emergencies;

Third, prevent the United States from being attacked by chemical, biological and nuclear terrorism;

Fourth, defend the key infrastructure of the United States and summarize and analyze the information from the Federal Bureau of Investigation, the Central Intelligence Agency and other departments.

The U.S. Department of Homeland Security is a merger of 22 federal agencies, including the Coast Guard, the Immigration and Naturalization Service and the General Administration of Customs, with more than 6,543,800 employees and an annual budget of nearly $40 billion.