Which type of agencies are assigned to homeland security missions for protecting critical infrastructure from terrorist attacks?

Sector-specific agencies are designed to focus on the unique needs and vulnerabilities of specific areas of critical infrastructure. Each sector, such as energy, transportation, communications, and emergency services, requires specialized attention to effectively mitigate potential threats and ensure robust defenses against terrorist attacks.

These agencies are essential in developing and implementing strategies tailored to their respective sectors, coordinating with various stakeholders, conducting risk assessments, and sharing information relevant to the security of infrastructure. This targeted approach enables them to craft specific policies, compliance measures, and contingency plans aimed at protecting the critical infrastructure that supports national security and public safety.

In contrast, while international agencies may provide broad oversight or guidance on global security issues, and state agencies may play vital roles in local implementation and response, they are not exclusively focused on critical infrastructure. Private security firms, although important for certain protective functions, typically operate within a framework set by sector-specific agencies and do not have the same level of governmental authority or specialization in addressing the entire critical infrastructure landscape.