The dark web and terrorism have become closely intertwined, presenting new challenges to existing security frameworks globally. This brief examines the role of the dark web in enabling terrorist activities, from communication and recruitment to radicalisation and propaganda dissemination. It reviews current literature to highlight the ecosystem of the dark web and its ramifications on national security. The analysis describes the strategies adopted by terrorists in cyberspace, from exploiting mainstream social media platforms to leveraging encrypted channels and clandestine marketplaces. It also highlights the challenges confronting law enforcement and regulatory bodies in monitoring and combating terrorist activities on the dark web, underlining the need for global collaboration. It outlines recommendations for policymakers and security stakeholders to fortify cyber counterterrorism efforts while examining the specific challenges to India.