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The enduring lessons of the 9/11 attacks

A review of how global intelligence and counter-terrorism strategies have evolved 25 years after the September 11 attacks in New York.

BBC News বাংলা · 11 September 2026, 8:30 AM

Twenty-five years have passed since the September 11 attacks in New York. The incident fundamentally transformed the landscape of global intelligence operations and counter-terrorism strategies. Despite the passage of time, significant questions remain regarding various major strategic and national decisions made in the aftermath.