Vietnam Security Report — September 18, 2026

Security analysis based on open-source intelligence and web research. Period: September 11 — September 18, 2026.

Executive Summary

During the period of September 11-18, 2026, Vietnam's security landscape was primarily shaped by ongoing diplomatic engagements and preparations for future defense initiatives. Key developments included the continued strengthening of the Comprehensive Strategic Partnership with the United States, highlighted by high-level affirmations of cooperation across various sectors. Concurrently, Vietnam engaged in defense cooperation reviews with China, underscoring its balancing act in regional diplomacy. Domestically, preparations for the Vietnam Defence Expo 2026 signaled a strong focus on enhancing indigenous defense industry capabilities and fostering international collaboration. While no major military exercises were reported within this specific week, concerns over China's construction in the South China Sea remained a significant maritime security issue. Cybersecurity measures were also reinforced with new regulations for businesses, and efforts against transnational crime continued.

Key Security Developments

• Strengthening Vietnam-US Comprehensive Strategic Partnership
  On September 16-17, 2026, US officials, including Under Secretary of State for Political Affairs Allison Hooker, lauded Vietnam's development and the progress of the Comprehensive Strategic Partnership during a ceremony for Vietnam's National Day in Washington D.C.. Cooperation areas encompass economy, trade, investment, war legacy remediation, education, culture, people-to-people exchanges, advanced technology, and security. This reaffirmation highlights the deepening trust and strategic alignment between the two nations, particularly in the context of regional security.
• Review of Vietnam-China Defense Cooperation
  Vietnam's Minister of National Defence, General Phan Van Giang, met with General Zhang Shengmin, Vice Chairman of China's Central Military Commission, in Beijing on September 16, 2026. The meeting, held on the sidelines of the 13th Beijing Xiangshan Forum, aimed to review existing defense cooperation and explore avenues for deeper practical ties. This engagement underscores Vietnam's strategy of maintaining stable relations with its powerful northern neighbor while pursuing its defense interests.
• Preparations for Vietnam Defence Expo 2026
  As of September 17-18, 2026, preparations for the Vietnam Defence Expo 2026 were in full swing, with 128 companies from 31 countries having registered to participate. The expo, scheduled for December 10-13, 2026, at Gia Lam Airport in Hanoi, will feature approximately 123,800 sq.m of exhibition space and showcase a wide array of weapons and technical equipment, including nearly 200 new Vietnamese-made defense products. This event signifies Vietnam's commitment to modernizing its military and fostering its domestic defense industry.
• Ongoing US-Vietnam Arms Deal Discussions
  Discussions continued regarding a potential large-scale arms transfer from the United States to Vietnam, which could include F-16 fighter jets. This prospective deal, if finalized, would represent the largest arms transfer in history between the former adversaries and aims to diversify Vietnam's defense procurement away from its traditional reliance on Russian suppliers. Special financing terms are being considered to facilitate the acquisition of costly American equipment.
• Vietnam's Accession to the Hague Apostille Convention
  Effective September 11, 2026, Vietnam officially became a party to the Hague Apostille Convention. This diplomatic development simplifies the legalization process for public documents exchanged between Vietnam and other member countries, including the United States, by replacing multiple authentication steps with a single apostille certificate. This streamlines international administrative and legal cooperation, though Germany, Austria, and Czechia have objected, meaning the apostille route does not apply between Vietnam and these three countries.
• South China Sea Tensions and Chinese Construction
  Reports from early September 2026 indicated heightened security concerns for Vietnam due to China's ongoing construction work in the Paracel Islands, specifically on Yagong Island and Antelope Reef. Hanoi reiterated its strong opposition, stating that all foreign activities in the Paracels without Vietnam's permission are illegal and null and void. This highlights the persistent challenges to maritime sovereignty and regional stability.
• Dismantling of Transnational Scam Ring
  On September 17, 2026, Vietnamese authorities reported the dismantling of a transnational scam ring, which had appropriated approximately 1.5 trillion VND (Vietnamese Dong). This operation demonstrates Vietnam's ongoing efforts to combat organized crime and enhance internal security.
• New Cybersecurity Regulations Implemented
  Vietnam implemented new cybersecurity rules for domestic and foreign businesses on August 19, 2026, through Decree No. 333/2026/ND-CP. These regulations detail provisions for cybersecurity protection measures, information security assurance, specialized cybersecurity training, and management of IP address identification for telecommunications and Internet service providers. The decree also mandates user information verification for digital accounts and commercial livestreaming.
• 50th Anniversary of Vietnam-Philippines Diplomatic Relations
  A ceremony was held in Ho Chi Minh City on September 16, 2026, to commemorate the 50th anniversary of diplomatic relations between Vietnam and the Philippines (1976-2026). The event emphasized the enduring friendship and solidarity between the peoples of both nations, reflecting Vietnam's commitment to strengthening ties within ASEAN.
• National Defence Academy's Role as Military Think-Tank
  On September 15, 2026, there was an emphasis on the National Defence Academy becoming a top military think-tank. This indicates a strategic focus on intellectual development and advanced defense planning within Vietnam's military establishment.
• Counter-Terrorism Stance and Identified Threats
  Vietnam continues its firm stance against terrorism, participating in international conventions and condemning terrorist acts. While the US Department of State assesses Vietnam as a low-threat location for terrorism due to its pervasive surveillance network, the Ministry of Public Security officially announced the involvement of Nguyen Dinh Thang, leader of "Boat People SOS" (BPSOS), in terrorism, linking him to the "Montagnards Stand for Justice" (MSFJ) organization responsible for attacks in Dak Lak province in June 2023. This highlights the government's vigilance against specific groups it designates as terrorist entities.

Geopolitical Impact and Regional Dynamics

Vietnam's security developments during this period reflect its strategic balancing act in a complex geopolitical environment, particularly concerning its relations with major powers. The continued strengthening of the Comprehensive Strategic Partnership with the United States is a significant factor, with high-level dialogues emphasizing cooperation in security, technology, and economic development. This deepening relationship serves to bolster Vietnam's position in the Indo-Pacific and provides a counterweight to other regional influences, aligning with the US's broader strategy for a free and open Indo-Pacific. The potential for a large-scale US arms transfer, including F-16 fighter jets, could significantly enhance Vietnam's defense capabilities and further integrate it into a US-aligned security framework, potentially irking China and sidelining Russia as traditional arms suppliers.

Simultaneously, Vietnam is actively managing its relationship with China. The meeting between defense ministers on the sidelines of the Beijing Xiangshan Forum on September 16, 2026, to review and deepen defense cooperation, demonstrates Hanoi's pragmatic approach. While Vietnam voices strong objections to Chinese construction in the South China Sea, its "Four No's" defense policy and "Bamboo diplomacy" prevent it from overtly joining multilateral campaigns against Beijing. This delicate balance allows Vietnam to pursue economic ties with China while quietly asserting its sovereignty and building defense capabilities with other partners. The upcoming South China Sea International Conference in Hanoi in October 2026 further indicates Vietnam's commitment to diplomatic and legal avenues for addressing maritime disputes.

The ongoing "shadow" payment scheme between Russia and Vietnam for arms deals, utilizing joint oil and gas profits to circumvent Western sanctions, highlights Vietnam's efforts to maintain its traditional defense procurement channels despite geopolitical pressures. This arrangement allows Vietnam to continue acquiring Russian military equipment, including fighter jets, tanks, and ships, which are often more affordable or readily available than Western alternatives. This complex web of diplomatic and defense engagements underscores Vietnam's multi-directional foreign policy, aimed at maximizing its strategic autonomy and safeguarding its national interests amidst competing great power influences in Southeast Asia.

Military and Defense Analysis

Vietnam's military and defense posture during this period is characterized by a strong emphasis on modernization, domestic defense industry development, and strategic diversification of partnerships. The preparations for the Vietnam Defence Expo 2026 are a clear indicator of this trend, with plans to showcase nearly 200 new Vietnamese-made defense products alongside international offerings. This initiative reflects a concerted effort to enhance self-reliance in defense manufacturing and reduce dependence on foreign suppliers, while also opening avenues for technology transfer and collaboration. The expo's broad scope, covering airborne, air defense, naval, and ground systems, suggests a comprehensive approach to capability development across all branches of the Vietnam People's Army.

The ongoing discussions with the US for a significant arms package, potentially including F-16 fighter jets, represent a notable shift in Vietnam's defense acquisitions strategy. Such a deal would not only upgrade Vietnam's air force capabilities but also signal a deeper strategic alignment with the US, moving beyond its historical reliance on Russian military hardware. However, the continued use of a "shadow" payment mechanism with Russia for arms purchases, leveraging joint oil and gas revenues, demonstrates Vietnam's pragmatic approach to maintaining its existing defense infrastructure and relationships, particularly given the cost-effectiveness and familiarity of Russian systems. This dual-track approach allows Vietnam to pursue advanced Western technology while ensuring continuity in its defense supply chain. The call for the National Defence Academy to become a top military think-tank further underscores a commitment to intellectual and strategic development within the military, aiming to foster advanced defense planning and doctrine.

Outlook and Forecast

Short-term trends (1-3 months): In the immediate future, Vietnam is expected to continue its active diplomatic outreach. The upcoming attendance of General Secretary and President To Lam at the UN General Assembly and his bilateral activities in the US (September 20-25, 2026) will likely further solidify the Vietnam-US Comprehensive Strategic Partnership, potentially leading to more concrete announcements regarding security cooperation or the arms deal discussions. Similarly, the 18th South China Sea International Conference in Hanoi (October 6-8, 2026) will provide a platform for Vietnam to articulate its positions on maritime security and seek regional consensus, though significant breakthroughs in resolving disputes are unlikely. Domestically, the focus will remain on preparations for the Vietnam Defence Expo 2026 in December, which will be a key event for showcasing national defense capabilities and engaging with international partners.

Critical flashpoints and risk areas: The South China Sea remains the primary flashpoint. China's continued construction activities in the Paracel Islands, despite Vietnam's objections, will sustain tensions and pose an ongoing risk of maritime incidents. Any escalation or assertive actions by either side in these disputed waters could quickly destabilize the region. The delicate balance in Vietnam's relations with the US and China, particularly concerning arms acquisitions, could also become a risk area. Should the US arms deal progress significantly, it might provoke a stronger reaction from China, potentially impacting Vietnam's economic or diplomatic ties with Beijing. Conversely, continued reliance on Russian arms via the "shadow" payment scheme could expose Vietnam to secondary sanctions from the US, although Washington has shown a willingness to overlook this in the past due to Vietnam's strategic importance.

Indicators to monitor: Key indicators to monitor include the progress of the US-Vietnam arms deal, specifically any official announcements or financing agreements. Developments in the South China Sea, such as new construction, naval patrols, or diplomatic protests, will be crucial for assessing maritime security. The nature and outcomes of Vietnam's engagements at the UN General Assembly and the South China Sea conference will also provide insights into its diplomatic strategy and regional influence. Furthermore, the success and participation levels at the Vietnam Defence Expo 2026 will indicate the health and international standing of Vietnam's defense industry.

Strategic recommendations: Vietnam should continue its multi-directional "Bamboo diplomacy" to maintain strategic flexibility and avoid over-reliance on any single major power. It should actively pursue diversification of its defense suppliers to enhance its strategic autonomy and reduce vulnerability to geopolitical pressures. In the South China Sea, Vietnam should continue to leverage international law and diplomatic forums to assert its sovereignty while maintaining open communication channels with China to prevent escalation. Domestically, continued investment in the indigenous defense industry and cybersecurity infrastructure is vital for long-term national security and resilience.

Sources

• vietnamplus.vn
• vov.vn
• vovworld.vn
• vov.vn
• vietnamplus.vn
• vietnamnews.vn
• vietnamnet.vn
• scmp.com
• luatvietnam.vn
• youtube.com
• globaltradeshows.com.vn
• trtworld.com
• newsonair.gov.in
• federalapostille.org
• qdnd.vn
• sggp.org.vn
• vietnamembassy-usa.org
• vietnamlawmagazine.vn
• osac.gov
• bocongan.gov.vn
• thinkchina.sg
• fulcrum.sg
• opportunitiescorners.com
• militarnyi.com
• bastillepost.com
• kyivindependent.com