Brunei Security Report — February 23, 2026

Security analysis based on open-source intelligence and web research. Period: February 16 — February 23, 2026.

Executive Summary

Brunei's security landscape during the period of February 16-23, 2026, was characterized by continued diplomatic engagement, particularly within ASEAN, and ongoing efforts to enhance defense capabilities and cybersecurity. A key highlight was Brunei's reaffirmation of its strategic partnership with Timor-Leste following the latter's full ASEAN membership, signaling a commitment to regional stability and cooperation. Domestically, the Royal Brunei Armed Forces (RBAF) engaged in planning for future joint exercises with the United States, underscoring bilateral defense ties. Cybersecurity remained a focus, with an international conference held in Kuala Belait, reflecting Brunei's proactive stance against evolving digital threats. Regionally, rising tensions in the South China Sea continued to be a significant geopolitical concern, impacting Brunei as a claimant state.

Key Security Developments

• Diplomatic Reaffirmation with Timor-Leste
  On February 19, 2026, Brunei's Minister of Foreign Affairs II, Dato Erywan Pehin Yusof, concluded a two-day official visit to Dili, reaffirming a strategic partnership with Timor-Leste. This visit consolidated support for Timor-Leste's integration into ASEAN, which achieved full membership in late 2025, and focused on strengthening cooperation in vital development sectors such as education, human resource capacity building, agriculture, health, and technological connectivity. This engagement highlights Brunei's commitment to fostering a unified and resilient ASEAN amidst global geopolitical uncertainties.

• Planning for Exercise PAHLAWAN WARRIOR 04/2026
  On February 16, 2026, the Second Battalion Royal Brunei Land Forces (2Bn RBLF) hosted a delegation from the United States Army Pacific (USARPAC) for the Initial Planning Conference (IPC) for Exercise PAHLAWAN WARRIOR 04/2026. This biennial exercise, scheduled for August 2026, aims to strengthen practical military cooperation and enhance combat readiness and tactical interoperability between the Royal Brunei Land Forces and the USARPAC. The IPC focused on defining objectives, administration, resource allocation, and safety measures for the exercise.

• Royal Brunei Armed Forces Courtesy Call
  On February 16, 2026, Major General Dato Paduka Seri Haji Muhammad Haszaimi bin Bol Hassan, Commander of the Royal Brunei Armed Forces (RBAF), received a courtesy call from His Excellency Shri Ramu Abbagani, High Commissioner of the Republic of India to Brunei Darussalam. This interaction signifies ongoing diplomatic and military relations between Brunei and India, potentially paving the way for future defense cooperation or exchanges.

• Brunei's 42nd National Day Celebration
  Brunei Darussalam marked its 42nd National Day on Monday, February 23, 2026. While primarily a national celebration, such events often serve as platforms to reinforce national unity and pride, indirectly contributing to internal security and stability.

• International Cybersecurity Conference in Kuala Belait
  An International Conference on Policy and Governance in Information Security (ICPGIS) was scheduled to take place on February 17, 2026, in Kuala Belait, Brunei Darussalam. This event underscores Brunei's proactive approach to addressing cybersecurity challenges and fostering international collaboration in information security governance.

• Ongoing South China Sea Tensions
  News reports on February 20, 2026, highlighted rising tensions in the South China Sea, with Chinese fleets pushing into disputed waters and a US aircraft carrier steaming closer. Brunei is explicitly mentioned as one of the claimant states whose exclusive economic zones are impacted by China's "nine-dash line". This ongoing situation remains a critical geopolitical concern for Brunei, influencing its maritime security posture and diplomatic strategy.

• "Forward Together" Dialogue with China
  On February 7, 2026, the "Forward Together" Dialogue on Building Brunei-China Community with a Shared Future was held in Bandar Seri Begawan. This dialogue emphasized translating high-level strategic consensus into concrete cooperation outcomes, particularly as both nations approach the 35th anniversary of diplomatic ties in 2026. This engagement reflects Brunei's efforts to balance its economic interests with China while navigating complex regional issues.

• Transnational Crime Cooperation
  On February 1, 2026, Brunei participated in a meeting in Jakarta aimed at tackling transnational crime. The discussions focused on proposals to transform the AIPA Advisory Council on Dangerous Drugs (AIPACODD) into a new mechanism to address a broader range of transnational crime issues, aligning with ASEAN's political and security agenda. This demonstrates Brunei's commitment to regional cooperation in combating organized crime.

• Cybercrime Awareness Campaigns
  Throughout early February 2026, including a briefing on February 8, the Royal Brunei Police Force, in collaboration with other agencies, continued to conduct awareness campaigns on cybercrime and online scams. These initiatives, targeting both senior citizens and government employees, aim to enhance public vigilance against rising digital threats and financial fraud.

• Maritime Security Workshop with the US
  On January 27, 2026, a Maritime Technical Workshop was organized in Bandar Seri Begawan by the Legal Security Division, Prime Minister's Office, in collaboration with the United States Embassy. The workshop, attended by officers from the Joint Force Royal Brunei Armed Forces (RBAF) and other agencies, focused on sharing best practices and strategies for enhancing maritime security, including coordinated responses to oil spill incidents and smuggling activities.

Geopolitical Impact and Regional Dynamics

Brunei's recent security developments underscore its consistent strategy of balancing strong bilateral defense ties with active participation in regional multilateral frameworks, particularly ASEAN. The reaffirmation of its strategic partnership with Timor-Leste and support for its full ASEAN membership highlights Brunei's role in fostering a cohesive and resilient Southeast Asian bloc. This approach is crucial in navigating the complex geopolitical landscape, where regional unity is seen as a bulwark against external pressures and uncertainties. Brunei's diplomatic engagements, such as the bilateral meeting with Thailand's Foreign Minister, further solidify intra-ASEAN cooperation on critical issues like food security and economic development.

The ongoing tensions in the South China Sea remain a defining geopolitical challenge for Brunei. As a claimant state, Brunei's economic zones are directly affected by China's expansive "nine-dash line" claims. While Brunei has historically adopted a low-key and non-confrontational approach to these disputes, its participation in maritime security workshops with the United States and joint military exercises with partners like Singapore and the US signals a commitment to maintaining a rules-based international order and freedom of navigation. The "Forward Together" Dialogue with China, focusing on a "community with a shared future," indicates Brunei's strategy of engaging Beijing economically while subtly managing the territorial dispute. This delicate balancing act aims to secure economic benefits from China's Belt and Road Initiative while safeguarding its sovereign interests.

Brunei's active role in regional initiatives to combat transnational crime, as evidenced by its participation in the Jakarta meeting, demonstrates its understanding of interconnected security threats that transcend national borders. This collaborative spirit within ASEAN is vital for addressing issues such as drug trafficking, cybercrime, and terrorism, which require coordinated regional responses. The broader strategic landscape sees Brunei maintaining relations with major powers, engaging in defense cooperation with the US and Singapore, and fostering economic ties with China, all while prioritizing ASEAN centrality in regional security architecture.

Military and Defense Analysis

Brunei's military and defense posture during this period reflects a continued emphasis on enhancing interoperability with key partners and modernizing its forces. The Initial Planning Conference for Exercise PAHLAWAN WARRIOR 04/2026 with the United States Army Pacific (USARPAC) on February 16, 2026, highlights a commitment to strengthening practical military cooperation and improving combat readiness. This biennial exercise series is crucial for refining tactics and procedures in response to both traditional and non-traditional security challenges. Similarly, the successful conclusion of the 28th edition of Exercise Maju Bersama with the Singapore Army in late January 2026, which involved approximately 240 personnel and focused on urban operations and weapon system cross-sharing, underscores the deep and long-standing defense relations between Brunei and Singapore, celebrating 50 years of partnership in 2026.

The Royal Brunei Land Forces (RBLF) also conducted the nationwide Exercise Semangat Waja Series 08/2026 from January 21 to January 30, involving heightened movement of military personnel and assets across various districts. This routine defense preparedness training is essential for maintaining the RBLF's operational readiness and ability to respond to domestic security requirements. Furthermore, Brunei's participation in a Maritime Technical Workshop with the United States Embassy in late January 2026, focusing on oil spill incidents and smuggling activities, demonstrates a proactive approach to enhancing maritime security capabilities and inter-agency cooperation within the maritime domain. These exercises and workshops contribute to the professional development of the RBAF and ensure its capacity to address a range of security threats, from territorial defense to humanitarian assistance and disaster relief.

Outlook and Forecast

Short-term trends (1-3 months): In the immediate future, Brunei is likely to continue its active diplomatic engagements within ASEAN, particularly in preparation for upcoming regional meetings and initiatives. The focus on strengthening ties with new members like Timor-Leste will likely persist, aiming to build a more unified regional front. Domestically, cybersecurity awareness campaigns will remain a priority, with potential follow-ups to the international conference held in February. Military cooperation with key partners such as the US and Singapore will continue through planning for future exercises and ongoing professional exchanges.

Critical flashpoints and risk areas: The South China Sea remains the most significant external flashpoint for Brunei. While Brunei maintains a non-confrontational stance, increased assertiveness by other claimants, particularly China, or heightened US freedom of navigation operations could escalate tensions, directly impacting Brunei's maritime interests and economic activities. Internally, the rising trend of cybercrime and online scams poses a continuous risk to citizens and financial institutions, necessitating sustained vigilance and public awareness efforts. The reliance on oil and gas revenues also presents an economic vulnerability that could indirectly affect defense spending and modernization efforts if global energy markets fluctuate significantly.

Indicators to monitor: Key indicators to monitor include the progress of the Code of Conduct (COC) negotiations in the South China Sea, as any breakthroughs or stalemates will directly influence regional stability and Brunei's strategic calculus. The frequency and scope of joint military exercises with external partners, particularly the US, will indicate the strength of bilateral defense ties and Brunei's commitment to regional security cooperation. Furthermore, the effectiveness of national cybersecurity initiatives and the reported incidence of cybercrime will be crucial metrics for assessing Brunei's resilience against digital threats. Economic diversification efforts, such as the "Navigating 2030" Maritime & Port Strategic Plan, should also be monitored for their potential to enhance national resilience.

Strategic recommendations: Brunei should continue to advocate for peaceful resolution of the South China Sea disputes through international law and multilateral diplomacy, leveraging its position within ASEAN. Strengthening cybersecurity infrastructure and public-private partnerships is essential to counter the growing threat of cybercrime and protect critical national assets. Diversifying its economy beyond oil and gas remains a long-term strategic imperative to build economic resilience and ensure sustained defense spending. Finally, maintaining and expanding defense cooperation with trusted partners, while upholding ASEAN centrality, will be vital for enhancing Brunei's defense capabilities and contributing to regional security.