Screen to keep the danger on the ground
Airport Security Screening — Machines, Rules & the 100ml Limit
Last updated: 6 Jul 2026Reviewed by Ms. Rubab Nizami, Lead AVSEC Faculty
In short
Security screening checks people and bags for weapons, explosives and dangerous goods before they reach the aircraft. This hub explains the machines (XBIS, DFMD, HHMD, ETD, body scanners), the 100ml liquids rule, 100% hold-baggage screening, and what you can and cannot carry.