
The Administration for Cyber Security said the total number of reported cases declined slightly compared to 2024, with 29 fewer incidents recorded year over year. However, officials warned that attack methods continue to expose weaknesses across government systems and digital infrastructure.
Cybersecurity Incidents in Taiwan
As reported by framework, incidents are divided into four levels based on their impact on confidentiality, integrity, and system availability. Level 1 incidents accounted for 87.33% of all reports in 2025, while Level 2 incidents represented 9.78%. Level 3 incidents made up 2.89% of the total. No Level 4 incidents — the most severe category — were reported during the year.
identified five major Taiwan cyber risk trends that officials believe require immediate attention.
Fake Messaging Apps Raise Taiwan Cyber Risk
One of the biggest cybersecurity capable of compromising systems and sensitive information. The administration urged government agencies to implement stricter procedures for system modifications and software installations.
Officials recommended that all software, hardware, and application installations receive prior approval before being used within agency systems. The administration warned that unofficial downloads continue to create major Taiwan using customized software drivers to infiltrate systems and evade security detection tools. Authorities noted that attackers are becoming more advanced in bypassing conventional endpoint security measures.
To reduce the likelihood of future cybersecurity incidents, the administration advised agencies to regularly scan websites for . Officials cited one case in which a maintenance contractor installed remote desktop software on a website server. Hackers later gained access to the system after successfully guessing the password linked to the if agencies fail to maintain strict security controls.
The administration said agencies should strengthen supervision of vendors, improve password management practices, and enforce tighter restrictions on remote access systems to reduce Taiwan's cyber risk tied to supply chain operations.
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