Brunei Security Report — September 20, 2026
ModerateBrunei Security Report — September 20, 2026
Security analysis based on open-source intelligence and web research. Period: September 13 — September 20, 2026.
Executive Summary
Brunei's security landscape from September 13 to September 20, 2026, was characterized by robust international defense cooperation and a proactive stance on cybersecurity. The nation successfully concluded the annual CARAT Brunei 2026 maritime exercise with the United States, significantly enhancing bilateral interoperability and maritime security in the South China Sea. Concurrently, Brunei hosted its fourth Cyber Security Conference (CySec 2026), underscoring a national commitment to fortifying critical infrastructure against escalating digital threats. Diplomatically, Brunei reaffirmed strong defense ties with China at the Beijing Xiangshan Forum and voiced concerns over Middle East instability, highlighting its role in regional and global security dialogues. Overall, the period demonstrated Brunei's consistent efforts to strengthen its defense capabilities and foster international partnerships while addressing emerging security challenges.
Key Security Developments
-
Military Activities and Exercises: CARAT Brunei 2026 Concludes
The annual Cooperation Afloat Readiness and Training (CARAT) Brunei 2026 exercise, involving the Royal Brunei Armed Forces (RBAF) and United States maritime forces, commenced with an opening ceremony on September 14, 2026, in Bandar Seri Begawan and concluded on September 18, 2026. This week-long bilateral exercise focused on enhancing maritime cooperation and interoperability through complex evolutions in the South China Sea, including anti-submarine warfare, maritime domain awareness, command-and-control coordination, and visit, board, search, and seizure tactics. The exercise featured the US Coast Guard Sentinel-class fast response cutter USCGC Emlen Tunnell, the Independence-variant littoral combat ship USS Canberra, a P-8A Poseidon maritime patrol aircraft, and a Royal Brunei Navy Darussalam-class offshore patrol vessel PV-80, along with a Sikorsky S-70i Black Hawk helicopter. The successful completion of the 32nd iteration of CARAT underscores the enduring friendship and mutual trust between Brunei and the United States, reinforcing regional stability. -
Defense Policy and Strategic Shifts: Participation in Beijing Xiangshan Forum
Brunei's Coordinating Minister for National Security, Minister at the Prime Minister's Office and Minister of Defence II, Pehin Datu Lailaraja Major General (Retired) Dato Paduka Seri Awang Haji Halbi bin Haji Mohd Yussof, attended the 13th Beijing Xiangshan Forum in Beijing, People's Republic of China, from September 15 to 17, 2026. The forum, co-hosted by the China Association for Military Science and the China Institute for International Strategic Studies, focused on global security governance and regional stability. This participation highlights Brunei's engagement in multilateral defense dialogues and its commitment to discussing regional and international security developments. -
Diplomatic Relations: Reaffirmation of Brunei-China Defense Ties
On the sidelines of the 13th Beijing Xiangshan Forum, Brunei Darussalam and China reaffirmed their longstanding defense ties during a bilateral meeting on September 17, 2026. Coordinating Minister Pehin Datu Lailaraja Major General (Retired) Dato Paduka Seri Awang Haji Halbi bin Haji Mohd Yussof met with China's Minister of National Defense Admiral Dong Jun. Both officials exchanged views on regional and international security developments and discussed opportunities to strengthen practical defense cooperation, emphasizing continued engagement through ASEAN-led mechanisms like the ASEAN Defence Ministers' Meeting-Plus (ADMM-Plus). This interaction underscores Brunei's balanced foreign policy and its efforts to maintain strong relationships with major global powers. -
Diplomatic Relations: Statement on Middle East Security
On September 19, 2026, Brunei Darussalam's Ministry of Foreign Affairs issued a statement expressing deep concern over reports of an attempted drone attack near Makkah Al-Mukarramah on September 15, 2026. Brunei stood in solidarity with the Kingdom of Saudi Arabia and stressed the importance of protecting civilians and civilian infrastructure, respecting state sovereignty, and safeguarding freedom of navigation, particularly in the Strait of Hormuz. This statement reflects Brunei's concern for global stability and its adherence to international law amidst heightened tensions in the Middle East. -
Cybersecurity: CySec 2026 Conference
Brunei Darussalam's fourth Brunei Cyber Security Conference (CySec 2026) officially opened on September 15, 2026, at The Rizqun International Hotel, continuing until September 16, 2026. The conference, co-hosted by the Brunei Cybersecurity Association (BCSA) and Cyber Security Brunei (CSB), brought together government officials, industry leaders, and cybersecurity practitioners to address the critical need for strengthening the resilience of critical infrastructure. Discussions focused on securing sectors such as energy, water, finance, telecommunications, and government/defense against escalating threats. -
Cybersecurity: Launch of UBD Cybersecurity and Digital Forensics Laboratory
During the opening ceremony of CySec 2026 on September 15, 2026, the establishment of the Universiti Brunei Darussalam (UBD) Cybersecurity and Digital Forensics Laboratory was announced. This new laboratory is powered by Information Technology Protective Security Services Sdn Bhd (ITPSS) and Cyber Security Brunei (CSB). This initiative signifies Brunei's commitment to developing local cybersecurity capabilities, fostering expertise, and enhancing its educational infrastructure in digital forensics. -
Maritime and Border Security: Immigration Enforcement Operations
The Immigration and National Registration Department (INRD) conducted "Operasi Kakas 2026" enforcement operations around September 10-11, 2026, with news reports published within the reporting period. These operations targeted immigration offenses nationwide, leading to the detention of foreign nationals in areas like Mukim Kota Batu and Mukim Berakas 'A'. Offenses included overstaying after the expiry of immigration passes and working in positions different from those stated in passports. These ongoing operations highlight Brunei's continuous efforts to maintain border integrity and enforce immigration laws.
Geopolitical Impact and Regional Dynamics
Brunei's security developments during this period underscore its consistent engagement in regional and international security frameworks, aiming to maintain stability in a complex geopolitical environment. The successful conclusion of CARAT Brunei 2026 with the United States reinforces the strong bilateral defense relationship and the shared commitment to a free and open Indo-Pacific. This exercise, conducted in the South China Sea, signals Brunei's active role in maritime security and its alignment with partners seeking to uphold international law and freedom of navigation in a strategically vital waterway. The presence of US naval assets alongside RBN forces demonstrates a credible deterrence and response capacity against potential maritime challenges.
Simultaneously, Brunei's participation in the Beijing Xiangshan Forum and the reaffirmation of defense ties with China reflect a pragmatic and balanced diplomatic approach. Engaging with China, a major regional power, on security matters allows Brunei to manage its relationships effectively and contribute to multilateral security dialogues, such as the ASEAN Defence Ministers' Meeting-Plus (ADMM-Plus). This dual engagement with both the US and China highlights Brunei's strategy of diversifying its security partnerships to navigate the intricate dynamics of great power competition in Southeast Asia.
Brunei's statement on the attempted drone attack near Makkah Al-Mukarramah and its concerns over Middle East instability demonstrate a broader awareness of global security issues and their potential ripple effects. As a Muslim-majority nation, Brunei's solidarity with Saudi Arabia and its call for respect for sovereignty and freedom of navigation, particularly in the Strait of Hormuz, reflect its commitment to Islamic values and international norms. The emphasis on protecting civilians and upholding international humanitarian law further positions Brunei as a responsible actor on the global stage, advocating for peaceful resolutions and de-escalation in volatile regions.
Military and Defense Analysis
The Royal Brunei Armed Forces (RBAF) demonstrated its commitment to enhancing its capabilities and interoperability through the CARAT Brunei 2026 exercise. The participation of a Royal Brunei Navy Darussalam-class offshore patrol vessel and a Sikorsky S-70i Black Hawk helicopter alongside advanced US naval assets, including a littoral combat ship and a P-8A Poseidon maritime patrol aircraft, indicates a focus on modernizing maritime defense. The exercise's emphasis on anti-submarine warfare, maritime domain awareness, and interdiction operations directly addresses contemporary maritime security challenges in the South China Sea, where Brunei has territorial claims.
While specific defense spending trends for this exact period are not available, the consistent engagement in high-level exercises like CARAT and the participation in forums such as the Beijing Xiangshan Forum suggest an ongoing investment in defense diplomacy and capability development. The RBAF's long-standing participation in CARAT since 1995 (32 iterations) highlights a sustained effort to maintain operational readiness and strengthen partnerships. The focus on subject matter expert exchanges in areas like dive operations and tactical combat casualty care further indicates a commitment to professional development and knowledge transfer within the RBAF.
The announcement of 49 RBAF officers being promoted on September 11, 2026, just prior to the reporting period, also points to ongoing efforts in human resource development and career progression within the military. This internal development, coupled with external engagements and exercises, contributes to a more formidable and reliable armed force, aligning with Brunei's vision for its defense posture.
Outlook and Forecast
Short-term trends (1-3 months): In the immediate future, Brunei is likely to continue its active participation in regional security dialogues and exercises. The momentum from CARAT Brunei 2026 will likely translate into continued bilateral engagements with the US, potentially leading to further specialized training or information-sharing initiatives focused on maritime security in the South China Sea. Brunei's diplomatic efforts will remain focused on balancing relations with major powers, particularly the US and China, as it navigates regional geopolitical complexities. The outcomes and discussions from CySec 2026 will likely lead to new cybersecurity policies or initiatives aimed at strengthening critical infrastructure resilience and public awareness campaigns.
Critical flashpoints and risk areas: The primary risk area for Brunei remains the South China Sea, given its territorial claims and the ongoing disputes with other claimant states and the increasing presence of major powers. While Brunei typically adopts a quiet diplomatic approach, any escalation of tensions in the broader region could indirectly impact its security and economic interests, particularly concerning freedom of navigation and trade routes. The Middle East situation, as highlighted by Brunei's recent statement, also poses a geopolitical risk, especially concerning energy security and the stability of global supply chains, given Brunei's reliance on oil and gas exports.
Indicators to monitor: Key indicators to monitor include any new announcements regarding joint military exercises or defense acquisitions, particularly those that might signal a shift in Brunei's defense posture or alliances. Developments in the South China Sea, such as increased naval patrols or diplomatic protests, will be crucial. Furthermore, the implementation of cybersecurity recommendations from CySec 2026 and the progress of the new UBD Cybersecurity and Digital Forensics Laboratory will indicate the nation's commitment to digital resilience. Diplomatic statements from Brunei regarding regional or international conflicts, especially those touching on freedom of navigation or sovereignty, will also be important to observe.
Strategic recommendations: Brunei should continue to diversify its security partnerships, engaging actively with both traditional allies like the US and regional powers like China, to maintain strategic flexibility. Investing further in maritime domain awareness capabilities and naval assets would enhance its ability to monitor and protect its exclusive economic zone in the South China Sea. Strengthening national cybersecurity defenses, particularly for critical infrastructure, should remain a top priority, building on the momentum of CySec 2026. Finally, Brunei should continue to leverage its role within ASEAN to promote regional stability and multilateral cooperation on security issues, including counter-terrorism and transnational crime.