Answer: Administrative law
Explanation:
The administrative law is one of the type of law that is typically written by the government agency that helps in govern the various types of activities including the rule, adjudication and the regulatory agenda.
It is one of the branch of the Public law that helps in protect the public interest by properly interact with the government.
According to the given question, the congress establishing a new administrative agency with the proper law for overseeing the various types of cyber-terrorism issues and problems and the administrative law is basically created by the government department.
Therefore, Administrative law is the correct answer.