The responsible authority for regulating security at airports is:

🧠 Explanation:

The Airports Security Force (ASF) is the authority responsible for regulating security at Pakistan’s civil airports. Established in 1975 under the ASF Act, it protects passengers, aircraft, and facilities from threats like terrorism and smuggling. The ASF conducts screenings, patrols, and counterterrorism operations, ensuring compliance with international aviation standards. Its role is vital for safe air travel, supporting Pakistan’s aviation industry and global connectivity. Studied in security studies, the ASF’s mandate reflects the need for robust measures to safeguard critical infrastructure, balancing passenger safety with efficient airport operations in a high-risk global environment.