Korean Companies in Southeast Asia — 2026-10-10
Vietnam’s industrial real estate market is experiencing a 76% surge in Foreign Direct Investment (FDI) inflows, driven significantly by Korean manufacturing expansion and the demand for ready-built factories. Concurrently, Korean financial institutions are facing heightened cybersecurity threats from AI-driven attacks, while KT&G confirms a major $650 million investment in Indonesia to expand tobacco production capacity.
Korean Companies in Southeast Asia — 2026-10-10
Top developments
Vietnam: FDI Surge and Industrial Land Boom
Vietnam’s industrial real estate market has witnessed a strong resurgence, with FDI inflows increasing by 76% following a period of stagnation due to tariff uncertainties. This surge is heavily linked to the wave of manufacturing relocation, where foreign investors, including Korean firms, are increasingly opting for "ready-built" factory premises to accelerate operational timelines. The trend indicates that Korean corporate moves in Vietnam are prioritizing speed-to-market in high-tech and manufacturing sectors.

KT&G: $650 Million Expansion in Indonesia
South Korean tobacco giant KT&G is proceeding with a massive investment of approximately US$ 650 million (approx. Rp 8.1 trillion) in Indonesia. The funds are allocated for the construction of its second and third factories in Pasuruan, East Java, specifically to produce the "Esse" brand cigarettes. This move underscores the continued commitment of Korean consumer goods companies to deepen their manufacturing footprint in Indonesia despite regional competition.
Samsung Electronics: FC-BGA Substrate Production in Thai Nguyen
Vietnam has successfully secured a critical role in the global semiconductor supply chain as Samsung Electronics begins producing Flip-Chip Ball Grid Array (FC-BGA) substrates in Thai Nguyen. This $2 billion initiative marks a significant shift, moving high-value chip packaging components out of Korea to Vietnam, leveraging local engineering capabilities that have advanced closer to Korean standards. This development reinforces Vietnam's status as a key hub for Korean electronics manufacturing beyond simple assembly.
Cybersecurity: AI-Driven Attacks on Korean Financial Firms
A new report highlights that hackers are utilizing Chinese-developed AI tools, specifically an open-source agent named ARTEX, to target South Korean banks. While not exclusively focused on Southeast Asian operations, this threat vector impacts Korean financial institutions with significant digital footprints in the region, including those operating in Vietnam, Thailand, and Indonesia. The use of AI for financial cyberattacks represents a new, sophisticated risk for Korean corporate security strategies abroad.

Deals, expansion & investment
No new specific M&A or partnership announcements were verified within the strict 24-hour window (post-October 8, 2026). However, the ongoing execution of previously announced investments remains active, such as the Hyosung Group's continued construction of a $100 million BCF yarn and carpet factory in Da Nang, which was reported in recent local updates regarding project progress.
Regulation & market context
Vietnam: The Vietnamese government is considering allowing exports of five groups of processed rare earth products. This regulatory shift could impact Korean companies like LS Eco Energy, which recently established a legal entity in Ho Chi Minh City to produce rare earth metals for permanent magnets. Access to export channels would be crucial for these Korean-invested supply chains to serve global markets.
Indonesia: No new regulatory changes affecting Korean companies were reported in the last 24 hours.
On the radar
- Vietnam Rare Earth Export Policy: Watch for final decisions on the Ministry of Industry's proposal to allow exports of deep-processed rare earths, which directly affects Korean magnet manufacturers operating in Vietnam.
- Cybersecurity Protocols: Korean financial institutions with branches in Southeast Asia may announce enhanced AI-detection security measures following the ARTEX hack revelations.
- Samsung Supply Chain Integration: Further details on workforce training programs in Thai Nguyen as Vietnam ramps up FC-BGA substrate production capabilities.
By the numbers
- +76%: Increase in FDI inflows into Vietnam's industrial real estate sector, driven by manufacturing relocation trends.
- $650 Million: Investment amount by KT&G for new tobacco factories in Pasuruan, Indonesia.
- $2 Billion: Value of Samsung's investment in FC-BGA substrate production facilities in Thai Nguyen, Vietnam.
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