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● The intelligence failures and lasting legacy of the 9/11 attacks ● World leaders gather in Delhi for 18th BRICS summit amid wars ● Dhaka expects rain and thunderstorms ● Padma River rises near danger level, submerges low-lying areas ● Power crisis deepens as deficit surges past 3,500 MW ● 6 bills passed as 13th JS third session concludes ● Measles kills over 1,000 in B’desh: Outbreak or systemic failure?

The intelligence failures and lasting legacy of the 9/11 attacks

Published : Friday, 11 September, 2026 at 10:57 AM

Observer Special Report

Collected Photo

On September 11, 2001, a clear Tuesday morning across the United States East Coast turned into the deadliest coordinated terror attack in modern history.

Within hours, the tragedy altered global geopolitics, national defense, and international intelligence frameworks for the next quarter-century. Nineteen terrorists associated with Al-Qaeda hijacked four commercial airliners bound for California, converting them into weaponized missiles directed at the heart of American financial, military, and political power.

A Morning of Coordinated Destruction

The sequence of devastation began at 8:46 AM when American Airlines Flight 11 struck the North Tower of the World Trade Center in New York City between the 93rd and 99th floors. Initially mistaken by many as a tragic aviation accident, the reality of the situation became undeniably clear seventeen minutes later, at 9:03 AM, when United Airlines Flight 175 crashed into the South Tower on live television broadcasts.

As emergency services rushed toward Lower Manhattan, a third hijacked plane, American Airlines Flight 77, struck the Pentagon in Washington, D.C., at 9:37 AM, piercing the outer ring of America's military headquarters.

The Fall of the Twin Towers and Heroism on Flight 93

Inside New York’s high-rises, thousands found themselves trapped above the impact zones while firefighters, police officers, and medical personnel fought their way upward. Heavy jet fuel fires and structural degradation caused the South Tower to collapse at 9:59 AM, followed twenty-nine minutes later by the North Tower at 10:28 AM. The architectural icons were reduced to a mountain of twisted steel, ash, and toxic debris.

Meanwhile, a fourth aircraft, United Airlines Flight 93, crashed into an abandoned coal field near Shanksville, Pennsylvania, at 10:03 AM. Having learned of the earlier strikes via phone calls, passengers courageously stormed the cockpit, forcing the aircraft down and preventing it from reaching its intended government target in Washington.

The Devastating Human Cost and Ground Zero Legacy

The immediate toll of the tragedy reached 2,977 fatalities, excluding the hijackers, drawing victims from 93 nations and marking it as a global disaster. Emergency service crews suffered devastating losses, including hundreds of firefighters and police officers.

The catastrophe extended far beyond that single morning, as thousands of rescue workers, volunteers, and local residents subsequently succumbed to severe chronic illnesses and cancers linked to the hazardous dust surrounding Ground Zero.

Intelligence Failures and the Overhaul of Global Security

In the aftermath of the attacks, the official 9/11 Commission Report delivered a sobering verdict, concluding that the disaster stemmed from a systemic failure of imagination, policy, capabilities, and management.

While the CIA had tracked Al-Qaeda and Osama bin Laden for years, crucial pieces of actionable intelligence were scattered across agencies and never properly synthesized. The failure to connect these dots prompted a sweeping reorganization of Western intelligence networks.

The United States established the National Counterterrorism Center and created the Director of National Intelligence to oversee its 18 intelligence agencies, while the United Kingdom developed joint operation hubs like the Counter Terrorism Operations Centre in London to merge law enforcement, MI5, GCHQ, and international allies like the FBI into unified teams.

Strategic Missteps and the Human Rights Fallout

However, the post-9/11 era also introduced profound strategic missteps and moral controversies. President George W. Bush’s declaration of the "War on Terror" led to extensive military operations in Afghanistan and Iraq.

Intense political pressure to uncover immediate threats resulted in flawed intelligence, most notably surrounding Iraq’s alleged weapons of mass destruction prior to the 2003 invasion.

Simultaneously, the global rush to prevent secondary attacks led to severe human rights violations, including extraordinary renditions, prisoner abuse scandals, and indefinite detentions without trial at Guantanamo Bay.

A New ERA: Shifting from Counter-Terrorism to Great Power Conflicts

A quarter-century later, the global threat landscape has evolved dramatically. While counter-terrorism efforts remain essential, Western intelligence agencies have found themselves forced to reorient toward rising state-level rivalries involving Russia, China, Iran, and North Korea.

Security analysts argue that two decades spent focused exclusively on counter-insurgency allowed major powers to modernize their militaries, develop hypersonic technology, and expand their economic influence unnoticed.

Today, as intelligence agencies navigate complex challenges ranging from AI-driven disinformation to biometric border surveillance, the core lesson of September 11 remains unchanged: collecting raw data is useless without the strategic imagination required to interpret the full picture.

-SA