The most likely reason for stricter security at airports is the ongoing and evolving threat of terrorism, particularly attempts by terrorists to target commercial aviation using new and sophisticated methods to smuggle explosives or weapons onto aircraft. Past incidents-such as the "shoe bomber," the "underwear bomber," and plots involving liquid explosives-have led authorities to continually enhance security protocols to protect passengers and prevent attacks
. As threats have become more creative and technologically advanced, security measures have also evolved, incorporating new technologies like AI-driven screening, biometric authentication, and stricter checks on electronic devices and personal items. These changes are intended to address both known and emerging threats, ensuring the safety of travelers and the broader public
