By Monsi A. Serrano
The Philippines must strengthen its cyber defenses as intensifying geopolitical competition in the Indo-Pacific increasingly shifts into the digital domain, officials warn.
Cyberattacks targeting critical infrastructure, financial systems, and trade networks could disrupt business operations and undermine economic growth, making cybersecurity a key pillar of both national security and economic resilience.
Speaking at the seminar “Indo-Pacific: Cyber Domain as the New Frontier of Security,” organized by the Embassy of Italy in Manila in partnership with Italy-based defense electronics and cybersecurity firm ELT Group, Brigadier General Walter P. Icaro emphasized that building stronger cyber resilience is now critical for countries like the Philippines.
“As the Indo-Pacific emerges as a center of global economic power and geopolitical competition, the region — home to more than 65 percent of the world’s population — remains a major hub of global trade and technological development,” he said.
Icaro highlighted the rise of “grey-zone operations,” including cyber espionage, ransomware attacks, disinformation campaigns, and the prepositioning of threats within critical infrastructure such as power grids, water systems, and submarine communication cables.
Security studies have identified cyber threat groups linked to state actors from China, North Korea, and Russia, many of which have targeted Southeast Asian countries.
With more than 90 percent of regional trade dependent on digital connectivity, disruptions in these networks could have major economic and business consequences, affecting finance, logistics, manufacturing, and e-commerce.
Emerging technologies such as artificial intelligence and quantum computing are further reshaping the threat landscape, enabling automated malware, sophisticated phishing, deepfake campaigns, and potential future risks to encryption systems that safeguard sensitive commercial and government data.
In response, nations are increasingly adopting layered cyber defense strategies. “Deterrence by denial” approaches, integrating cyber capabilities with conventional defense along the so-called first island chain — a strategic arc stretching from Japan through Taiwan to the Philippines and Borneo — aim to prevent adversaries from executing attacks that could paralyze trade and critical business operations.
For smaller nations like the Philippines, Icaro stressed that international partnerships and regional cooperation are vital. Joint exercises, technology exchanges, and ASEAN-led initiatives can strengthen cyber resilience, artificial intelligence, and digital defense capabilities.
He also underscored the need to protect the physical backbone of cyberspace, including an estimated 1.4 million kilometers of fiber-optic cables that support communications, finance, logistics, and trade.
“Through cooperation and shared commitment to cybersecurity, nations—big or small—can contribute to preserving peace and promoting inclusive progress in the region,” Icaro said, emphasizing that safeguarding digital infrastructure is essential for both economic stability and national security.