New Delhi, Feb. 4 -- Republic Day 2026 concluded without disruption, but security planners are quietly re-examining how threats are detected and addressed in an increasingly networked environment. While physical deployments and ground-level vigilance remain central to event security, experts say early warning signals today can surface both online and on the ground, often well before an incident materialises.

From low-visibility social media chatter and coordinated online activity to reconnaissance inputs and human intelligence, early indicators of real-world threats now span multiple domains. When high-profile events such as Republic Day pass without incident, it does not imply reduced risk but reflects how timely intelligence, combined ...