National security concerns often lead to tensions with civil liberties. Governments may implement measures such as surveillance, indefinite detention, and restricted freedoms in the name of protecting citizens from threats like terrorism. While proponents argue that these actions are necessary for public safety, critics warn that they can undermine the very freedoms and rights that national security seeks to protect. Striking a balance between maintaining security and preserving civil liberties remains a critical challenge in democratic societies. Public discourse around these issues highlights the ongoing struggle to define the limits and scope of governmental authority.