Singapore's Internal Security Department has taken action against two citizens radicalised by the ongoing Israeli-Palestinian conflict, marking a concerning escalation in how the city-state's security apparatus must contend with increasingly fragmented and hybrid forms of violent extremism. Cyrus Dzulqarnain Al-Shahriar, 19, has been issued a restriction order, while Tarmizi Mohd Taha, a 30-year-old customer service officer, faces detention after admitting he would commit attacks if directed by Hamas. Their cases represent the seventh and eighth Singaporeans detained under the Internal Security Act whose radicalisation stems directly from the Gaza war that erupted following Hamas' October 2023 assault on Israel.
Cyrus' journey into extremism reveals how online platforms have become vectors for rapid ideological transformation among youth. Beginning in 2022 with ostensibly innocent religious exploration through online Islamic groups, he was progressively exposed to anti-Western and anti-LGBTQ propaganda that he amplified through violent rhetoric of his own. The trajectory accelerated sharply after Hamas' October 2023 attacks, when he encountered pro-Hamas narratives normalising civilian casualties as legitimate jihad. By 2024, he had contemplated travelling to Gaza to join the militant group directly, a plan abandoned only due to lack of resources and personal fear rather than ideological recalibration.
What distinguishes Cyrus' case—and reflects a troubling security trend across Southeast Asia—is his susceptibility to what authorities term Composite Violent Extremism, or a "salad bar" approach to extremism whereby individuals cherry-pick from multiple, sometimes contradictory ideological frameworks. In early 2025, he encountered a niche online group promoting violent accelerationist thinking that rejected the existing global order as an American and Zionist conspiracy. This resonated with him sufficiently that he began glorifying historical terrorist attacks including al-Qaeda's September 11 strikes and the 2002 Bali bombings, and he documented his allegiance by photographing extremist materials against Singapore's Marina Bay Sands backdrop, which he publicly shared on social media.
The online activities escalated into what authorities describe as "digital jihad," involving targeted harassment of anti-Islam users and the deliberate spread of disinformation to defame perceived enemies. Yet Cyrus' extremism did not remain monolithic. By 2025, he had also absorbed incel ideology—the misogynistic "involuntary celibate" subculture—after encountering materials relating to mass shooter Elliot Rodger, whose 2014 attack near the University of California, Santa Barbara killed six and injured fourteen. He began identifying as an incel himself, posting threats against women and fantasising about violence against LGBTQ individuals and couples, language so degrading it included invented terminology like "foid." The fusion of jihadist extremism with incel misogyny underscores how younger radicals construct personalised belief systems drawn from geographically and ideologically disparate sources.
Tarmizi's case, though distinct, reinforces how the Gaza conflict has become a radicalisation catalyst across demographic strata. As a 30-year-old customer service worker with military background—he served as a logistics assistant in the Singapore Police Force—Tarmizi represented a different threat vector: someone with practical skills and institutional knowledge willing to weaponise them for Hamas. His explicit admission that he would execute attacks in Singapore if instructed by the Palestinian militant group transformed idealised sympathy into operational intent. The willingness to leverage his security force training suggested a potential capacity for planning attacks more sophisticated than those stemming from purely online radicalisation.
Singapore's security establishment has signalled alarm at the widening ideological aperture of homegrown extremism. The Internal Security Department emphasised that the lack of a coherent, unified worldview among those radicalised through composite violent extremism does not reduce the threat level—a nuance that complicates both prevention and de-radicalisation efforts. Traditional counter-terrorism strategies often target individuals committed to established organisations with clearly defined goals and hierarchies. Cyrus and others like him present a more amorphous challenge: self-radicalised through algorithm-driven exposure to fragmented online communities, holding views that may contradict one another yet unified by a general commitment to violent rejection of existing social structures.
The role of platform algorithms and online communities in propagating extremism has become impossible to ignore in Southeast Asia. Cyrus joined private online chat groups where accelerationist ideology thrived, spaces that likely remained beneath the detection thresholds of conventional monitoring. The fact that a member of the public ultimately reported his anti-Semitic and pro-Hamas posts suggests that detection still relies heavily on organic community reporting rather than systematic platform enforcement. For a region already grappling with terrorism financing, foreign fighter recruitment, and attacks by established groups like Jemaah Islamiyah, the emergence of algorithmically-assembled extremist identities among youth poses additional complexity.
The rehabilitation trajectory outlined for Cyrus raises significant questions about de-radicalisation in the context of hybrid extremism. Singapore's security model has historically emphasised rehabilitation and religious re-education, particularly through engagement with Islamic scholars and community leaders. Yet addressing Cyrus' constellation of grievances—anti-Semitism, anti-Western sentiment, incel misogyny, accelerationist ideology, and personalised justifications for violence—requires intervention across multiple psychological and ideological domains. His case, being only the second formally classified as composite violent extremism within Singapore's detention framework, suggests authorities are still calibrating approaches to individuals whose worldviews cannot be easily categorised within existing counter-narrative templates.
The geographic proximity of these cases to Malaysia carries implications for regional security architecture. Malaysian authorities have long monitored Gaza-related radicalisation, particularly given the prominence of Palestinian solidarity rhetoric in domestic political discourse and the presence of established jihadist networks. The sophistication displayed by Cyrus—using iconic Singaporean landmarks to document allegiance, leveraging multiple platforms for amplification, and constructing hybrid ideological justifications—mirrors patterns observed among younger Malaysian radicals exploring extremism through online channels. Both nations face a cohort of youth for whom the Palestinian-Israeli conflict serves as an entry point into broader anti-Western, anti-establishment narratives that online spaces readily supply.
Singapore's action represents the most visible enforcement response to Gaza-triggered radicalisation in the immediate region, but the underlying phenomenon—how geopolitical conflict abroad catalyses local extremism—remains largely consistent across Southeast Asia. The October 2023 conflict has functioned less as a discrete trigger than as an emotional and ideological primer that primes susceptible individuals to absorb cascading layers of extremist content. For Cyrus, it opened pathways from religious exploration to anti-Semitism to accelerationism to violent misogyny, a progression that underscores how online radicalisation operates not as a linear journey toward a single ideology but as an iterative, accumulative process of ideological accumulation.
The seven additional cases of Gaza-triggered radicalisation that preceded Cyrus and Tarmizi suggest this remains an active concern. While neither individual progressed beyond online expression and ideation to concrete operational planning—Cyrus lacked resources for travel and feared violence; Tarmizi made only verbal admissions—the trajectory remains troubling. Singapore's security apparatus has now formally recognised that composite violent extremism represents an evolving threat category requiring specialised intervention approaches. For Malaysia and other Southeast Asian nations, the implication is clear: the next generation of extremists may not fit neatly into established terrorist profiles or ideological categories, demanding security responses that are themselves more composite and adaptable than those designed for more monolithic threats.
