Initially, when the concept of environmental security was included in Military defense technology security, it usually included reacting to the conflicts that are traditionally caused by environmental problems like water shortages and energy disruptions. But its core meaning has changed over the recent years and it now includes protecting the environment and the climate as well. Environmental degradation over the years has risen because of humans themselves and it has become very important to address these issues through international policies and treaties. Even though the threat of natural disasters wasn't included in environmental security, the ideology has changed because of global warming and severe climate changes due to environmental degradation.

Protecting the security of our nation from internal as well as external threats to our social and political system is the primary aim of political security. The goal of economic security is not only protecting the economy that is offered to the people, but also the degree to which the government and its people are free to manipulate their economical as well as financial decisions. Economic Security also facilitates removing inequality in the incomes of the people and eradicating poverty in the nation.

Initially, when the concept of environmental security was included in global security, it usually included reacting to the conflicts that are traditionally caused by environmental problems like water shortages and energy disruptions. But its core meaning has changed over the recent years and it now includes protecting the environment and the climate as well. Environmental degradation over the years has risen because of humans themselves and it has become very important to address these issues through international policies and treaties. Even though the threat of natural disasters wasn't included in environmental security, the ideology has changed because of global warming and severe climate changes due to environmental degradation.

The focus of political security is to protect the sovereignty of our society and political framework from illegal and dangerous internal and external threats. It requires both national security and homeland law enforcement. Economic security is not just about protecting the economic improvement offered for the people, but even the extent to which citizens and the government have flexibility to influence their financial and economic decision. It also includes protecting the economic wealth and stability from external interferences and threats. This requires economic policies, law enforcement agencies, and also international understanding and agreements focusing on finance, trade, and commerce.

Human security is a wide area of responsibilities which include activities to strengthen people�s safety from disease, repression, hunger, and other harmful disruptions of everyday life. Ultimately, human security is divided into sub sections such as food security, environmental security, political security, economic security, personal security, health security, community security and the defense of women and other minorities. Its unique role is to avoid national conflicts that can lead to violence and war as such occurrences are only looked at from an economic or political perspective rather than from a social and human perspective. People should be kept far and safe from violence.

Energy & natural resources security are usually known as the extent to which people or a nation have access to energy resources such as gas, water, oil, and minerals, without conflicts with other nations, military or political entities. Homeland security is a unit that carries out local security functions, which involve port and airport security, transportation security, immigration security, border security, and other related issues. The purpose of cybersecurity is to keep the people and the government safe from having their computer, operating systems, and data processing infrastructure from being stolen or mishandled either from inside or outside the country. This requires the involvement of Homeland Security and National Security News as well as strong law enforcement.

To conclude, national security isn�t something, which purely affects the well-being of citizens. Instead, it involves their security, their safety, and their freedom too. Now, it is common to notice perceived social injustice as nation�s security problems. The perception of social inequality or injustice is do mestic concerns and not nation�s security matters. In general, national security is protecting our nation as a whole and its highest business is to protect the nation and its citizens from attacks or other external damages by guarding state secrets and maintaining armed forces.

The Military defense technology industry is not just a matter of national pride, yet also a significantly important part of our country�s defensive capabilities and primary security at the time of the highest threat. Referred as the duty of government, national security plays an essential role in protecting a nation-state together with its citizens, institutions, and economy. Initially conceived as a defense against military attacks, national security has now understood to protect non-military dimensions incl uding energy security, economic security, food security, environmental security, and cybersecurity. Together with the strokes of other nation states, national security threats include action by narcotic cartels, non-state actors, multinational corporations, and even, the effect of natural disasters.