Security clearance at all immigration checkpoints will be fully automated and faster with fingerprint, facial and iris scans introduced by 2025. Experts said one of the biggest benefits of such a system lies in the ability of artificial intelligence (AI) video analytics to identify suspicious characters.

For instance, AI can be used with cameras to perform more robust video analytics to identify if a person is a potential security threat, based on how they appear and how they act, said Mr Steven Wong, president of the Association of Information Security Professionals.