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Top 25 Best Companies in Taiwan

Discover the most renowned companies in Taiwan, ranked by Rankiteo's proprietary cyber resilience scoring methodology. 62 companies scored.

101
Companies in Taiwan
62
Scored
764.3
Avg Score
34
Cyber Incidents
Top 25
Shown

Taiwan Cybersecurity Rankings - Best Companies in 2026

Taiwan is home to 101 companies that Rankiteo actively monitors for cybersecurity resilience. This page presents the Top 25 highest-scoring organizations, ranked by our proprietary Cyber Resilience Score - a composite metric that integrates time-decayed incident exposure, sector-sensitive impact analysis, and market-cap-aware baseline and dampening to produce a single, interpretable score between 100 and 1,000.

Companies at the top of this ranking have the fewest and least-severe recorded cyber incidents - including ransomware attacks, data breaches, and publicly disclosed vulnerabilities. Their scores benefit from clean or near-clean incident histories, favorable industry-level resilience adjustments, and, where applicable, scale-aware baseline anchoring. These organizations serve as benchmarks for what strong cybersecurity posture looks like among the most prominent companies in Taiwan.

The average cyber resilience score for the most notable companies in Taiwan is currently 764.3 out of 1,000, placing the country in the Ba-Baa range - adequate but with room for improvement.

Key Insights

845
Highest Score
764.3
Country Average
16%
Scoring A or Above
34
Recorded Incidents

Score Distribution

Aaa
0 (0.0%)
Aa
0 (0.0%)
A
10 (16.1%)
Baa
41 (66.1%)
Ba
9 (14.5%)
B
1 (1.6%)
Caa
0 (0.0%)
Ca
1 (1.6%)
C
0 (0.0%)
#CompanyLabelScoreBandIncidentsScore Bar
1
國立清華大學nthu.edu.tw
Others845A0
2
台北美國學校tas.edu.tw
Others845A0
3
MediaTekmediatek.com
Semiconductor and Other Electronic Component Manufacturing831A1
4
清祿集團 Ching Luh Groupchingluh.com
-824A0
5
國巨yageo.com
-820A0
6
United Microelectronics Corporation (UMC)umc.com
Others816A0
7
Fubon Financial Holding Co., Ltd. 富邦金控fubon.com
Commercial Banking814A0
8
Acctonaccton.com
Software Publishers811A0
9
Cathay Financial Holdings Co., Ltd.cathayholdings.com
-810A0
10
CTBC Financial Holding Co., Ltdctbcholding.com
Finance and Insurance809A0
11
TSMCtsmc.com
Semiconductor and Other Electronic Component Manufacturing798Baa3
12
國立臺灣科技大學ntust.edu.tw
Others796Baa0
13
Realtek Semiconductor Corp.realtek.com
-785Baa1
14
Yang Ming Marine Transport Corp.yangming.com.tw
Water Transportation779Baa0
15
Wistronwistron.com
Electrical Equipment, Appliance, and Component Manufacturing777Baa1
16
Advantechadvantech.com
Others775Baa1
17
Applied Materials Taiwanappliedmaterials.com
Semiconductor and Other Electronic Component Manufacturing775Baa0
18
國立臺灣大學ntu.edu.tw
Others773Baa0
19
Delta Electronicsdeltaww.com
Electrical Equipment, Appliance, and Component Manufacturing771Baa1
20
ASE Globalaseglobal.com
Semiconductor and Other Electronic Component Manufacturing770Baa0
21
Inventecinventec.com
Computer and Peripheral Equipment Manufacturing766Baa0
22
Pou Chen Grouppouchen.com
Spectator Sports766Baa0
23
KKdaykkday.com
Travel Arrangement and Reservation Services765Baa0
24
Cathay United Bankcathaybk.com.tw
Finance and Insurance764Baa0
25
國立政治大學nccu.edu.tw
-763Baa0

How We Score Companies in Taiwan

Rankiteo's Cyber Resilience Score produces a single, interpretable value between 100 and 1,000 for each organization, where higher scores indicate lower estimated cyber risk. The framework integrates three principal components that together balance evidence, context, and comparability across industries and company sizes. Learn more in our AI Cyber Score methodology.

Understanding the Bands

Each company's numerical score is also mapped to a letter-grade band for quick comparison. Here is what each band means for companies in Taiwan:

  • Aaa (900-1,000): Exceptional cyber resilience. Top-tier security across all measured dimensions.
  • Aa (800-899): Very strong posture with minimal identifiable weaknesses.
  • A (700-799): Strong security practices with some areas for improvement.
  • Baa (600-699): Adequate protection, but notable gaps in security configuration exist.
  • Ba (500-599): Below average. Multiple risk areas require attention.
  • B (400-499): Weak security posture with significant exposure across several categories.
  • Caa (300-399): Very weak. High probability of exploitable vulnerabilities.
  • Ca (200-299): Critically poor security with severe, widespread gaps.
  • C (0-199): Extreme risk. Immediate remediation needed across the board.

Why Taiwan Cybersecurity Matters

As digital transformation accelerates, organizations in Taiwan handle growing volumes of sensitive data - from customer records and financial information to proprietary intellectual property. A breach affecting prominent companies in Taiwan can lead to regulatory penalties, reputational damage, operational disruption, and loss of customer trust.

Rankiteo tracks 101 companies in Taiwan, updating scores on a continuous basis so you always have the latest view of the country's cybersecurity landscape.

Top 25 Best Companies in Taiwan by Cybersecurity Score (2026) | Rankiteo | Rankiteo