Twenty-Five Years After 9/11, Terrorism Still Threatens Malaysia

 

A quarter of a century following the September 11 attacks, a question that warrants fresh consideration in Malaysia and Southeast Asia is whether terrorism has genuinely decreased, or if it has merely evolved into a different manifestation.

The answer is uncomfortable. Terrorism has not disappeared. It has evolved.

The attacks of Sept 11, 2001, transformed international security. Al-Qaeda demonstrated how a relatively small non-state organisation could exploit globalisation, international travel, communications and technological vulnerabilities to produce strategic consequences far beyond its physical strength. Two and a half decades later, the threat has become more fragmented, decentralised and technologically adaptive.

The rise of Yemen's Houthi movement illustrates this transformation.

The Houthis are not Al-Qaeda or Islamic State (IS), and their ideology and political objectives are different. Yet their evolution demonstrates how a non-state armed movement can exploit geography, external assistance, state weakness and relatively inexpensive military technologies to acquire strategic influence.

The Defense Intelligence Agency has documented the importance of Iranian support to the Houthis, particularly in missile and unmanned aerial vehicle capabilities. These capabilities enabled the Houthis to threaten commercial shipping in the Red Sea and demonstrate that a non-state actor does not need a conventional navy to disrupt international maritime commerce.

The strategic significance is enormous.

The Houthis have effectively demonstrated an asymmetric formula: control or influence territory near a maritime chokepoint, acquire precision strike capabilities, develop intelligence and targeting networks, and impose costs on global commerce disproportionate to the size of the organisation.

This is where Southeast Asia must pay attention.

The lesson for terrorist organisations is not necessarily that they should copy the Houthis politically or militarily. It is that strategic geography can compensate for conventional weakness. A terrorist organisation does not necessarily need to seize the entire Straits of Malacca. Disrupting one port, attacking a commercial vessel, targeting maritime infrastructure or creating sufficient uncertainty could generate economic and psychological consequences far beyond the scale of the attack.

That does not mean Al-Qaeda, IS or Jemaah Islamiyah (JI) is preparing to seize the Malacca Strait. There is no credible evidence for such a scenario. Indeed, JI formally announced its dissolution in 2024, while regional authorities have significantly weakened many established extremist networks.

But dissolution does not necessarily mean disappearance.

Extremist ideology can survive organisational collapse. Individuals can operate independently, form smaller cells or become radicalised online without direct membership of a traditional terrorist organisation. Recent developments across Southeast Asia demonstrate that radicalisation is also becoming increasingly individualised and digitally driven. Reuters reported in 2026 that authorities in Indonesia and Singapore were monitoring young people exposed to online far-right extremist content, demonstrating that the region's violent-extremism landscape is no longer confined to traditional jihadist organisations.

For Malaysia, this should be a warning against declaring victory.

Malaysia has been comparatively successful in preventing large-scale terrorist attacks. PDRM's Special Branch has accumulated decades of expertise in intelligence-led counterterrorism, while Malaysia has also developed rehabilitation, deradicalisation and regional intelligence cooperation mechanisms.

Yet counterterrorism is a continuous contest. The absence of a major terrorist attack does not mean the absence of a terrorist threat.

Recent comments by former Deputy Inspector-General of Police Tan Sri Ayob Khan Mydin Pitchay are therefore significant. He has expressed disappointment over the dissolution of the Counter Terrorism Division within Bukit Aman Special Branch and highlighted the loss of specialist capability developed over many years.

This raises a fundamental policy question: can Malaysia afford to weaken specialised counterterrorism capabilities at precisely the moment when terrorism is becoming more decentralised and technologically sophisticated?

The answer should be no.

The post-9/11 counter-terrorism model was heavily focused on identifying organised terrorist groups, tracking foreign fighters and dismantling physical cells. Those capabilities remain necessary. But the next generation of terrorism requires more.

Malaysia needs an integrated system connecting counter-terrorism intelligence with maritime security, financial intelligence, border control, cybersecurity and online-threat monitoring.

The Malacca Strait is particularly important. It carries a substantial proportion of global maritime trade and connects the Indian Ocean with the Pacific. Malaysia, Indonesia and Singapore have strong maritime-security cooperation, making a Houthi-style takeover extremely unlikely. But the vulnerability of a strategic maritime artery does not disappear simply because its surrounding states are stronger.

The more realistic danger is asymmetric disruption.

A small terrorist cell with access to drones, encrypted communications, commercial maritime information and online propaganda could potentially cause disproportionate disruption without attempting territorial occupation. The Houthi experience demonstrates how inexpensive technologies can create strategic effects when combined with geography and intelligence.

ASEAN must therefore treat counterterrorism as part of broader regional resilience.

The ASEAN Convention on Counter Terrorism provides an institutional foundation, but cooperation must extend beyond traditional intelligence sharing. Information concerning terrorist financing, suspicious maritime activity, drone procurement, extremist travel and online radicalisation must move rapidly across borders.

Twenty-five years after 9/11, the greatest danger may therefore be psychological: believing that terrorism is yesterday's problem.

It is not.

Al-Qaeda has survived. IS has adapted. JI has dissolved but its historical networks and ideological legacy cannot simply be erased. New forms of extremism are emerging online. Meanwhile, the Houthi experience demonstrates how a non-state actor can transform asymmetric capabilities into strategic leverage.

Malaysia should not wait for another 9/11 to rediscover the importance of counterterrorism.

The lesson of the past 25 years is straightforward: terrorist organisations change faster than institutions do.

If Malaysia wants to keep the Straits of Malacca secure, protect its ports and prevent dormant extremist networks from becoming operational, it must preserve specialist intelligence capability, strengthen maritime counterterrorism and deepen ASEAN cooperation.

The most effective terrorist attack is the one prevented before anyone knows it was being planned.

That should remain Malaysia's counterterrorism strategy for the next 25 years.

11.09.2026

Kuala Lumpur.

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