Australia narrowly avoided a major disaster when a terrorist plot linked to ISIS, targeting an Etihad flight carrying 400 passengers, was thwarted at the last moment. Two Sydney-based brothers attempted to blow up the plane with a bomb hidden in their luggage, but the plot failed during airport security checks. The incident sent shockwaves across the country and highlighted the ever-present threat of global terrorism.
The Attack Plan: ISIS’s Insidious Tactics
Khaled and Mahmoud Khayat planned an attack between January and July 2017, aiming to kill hundreds of people by detonating a bomb on an international flight. The New South Wales Supreme Court convicted the brothers of preparing and planning a terrorist act.
Investigations revealed that the plan was orchestrated by their older brother, Tarek Khayat, who was fighting with ISIS in Syria. Tarek sent an explosive device hidden inside a meat grinder to his brothers in Australia through an international cargo company. The device was prepared to be used on a commercial passenger flight.
Khaled and Mahmoud placed the explosive in the luggage of their unsuspecting brother, Amer Khayat. The attack was set to unfold when Amer boarded an Etihad Airways flight from Sydney to Abu Dhabi. However, during baggage screening at Sydney Airport on July 15, 2017, the suitcase was flagged due to excessive weight. Fearing the bomb might be detected, Khaled decided to abort the attack at the last minute.
Had the bomb been loaded onto the plane, it could have detonated mid-flight, resulting in catastrophic loss of life.
Sentences and Court Proceedings
Following the trial in Sydney:
- Khaled Khayat was sentenced to 40 years in prison.
- Mahmoud Khayat received a 36-year prison sentence (with a non-parole period of 30 years).
The court found that the brothers meticulously organized the attack under ISIS’s direction for months. Given the potential consequences of the explosion, the court deemed heavy sentences appropriate.
Meanwhile, Amer Khayat, who was found to have no involvement or knowledge of the plot, was acquitted of all charges. Despite being cleared, he expressed deep betrayal, stating:
“I can’t forgive them. I want to forget that they are my brothers.” Amer has since distanced himself from his family.
ISIS’s Evolving Threats and Global Security Concerns
Experts warn that ISIS-affiliated terror cells continue to pose a global threat. Former FBI executive Andrew McCabe called the foiled plot an “unprecedented operation.”
“ISIS is enabling its remote agents to carry out complex bomb attacks. This shows they remain a significant security threat worldwide,” McCabe said.
Reports suggest ISIS is developing strategies to bypass airport security using small, hard-to-detect devices. This underscores the need for even stronger international intelligence cooperation to prevent similar attacks.
Despite being sentenced to death in Iraq, Tarek Khayat reportedly claimed that ISIS would persist, stating: “The Islamic State will not die; it will return stronger.”
Conclusion: A New Era in Counterterrorism
The foiled Sydney attack demonstrated the persistent threat terrorist organizations pose to civil aviation. The swift actions of security forces averted a potential catastrophe, but experts stress that ISIS and similar groups continue to plan new attacks globally.
As security measures are tightened at international airports, authorities emphasize the need for a more proactive approach to combat evolving terrorist tactics and safeguard public safety worldwide.



