Abstract: Artificial intelligence (AI) is rapidly transforming national security strategies worldwide. Bangladesh, a nation demonstrating a concrete commitment to technological advancement, is actively harnessing this potential to strengthen its national security posture. This paper explores Bangladeshs AI progress, its applications in crime prevention, counterterrorism, and counterintelligence, as well as the associated challenges and ethical considerations. Analyzing recent data and citing credible sources, the paper sheds light on Bangladeshs journey towards becoming a leader in AI-based security.