According to iThome, FOCI Fiber Optic Communications announced on August 19 that its information systems suffered a cyberattack in which some hosts and computers were infected with malware [1]. Based on preliminary investigations, FOCI assessed that the incident has no material impact on company operations [1]. The company has activated cybersecurity defense and backup operations and is handling the incident jointly with external IT professionals [1].
This event has not been officially confirmed. Content is based on media or third-party reports.
Backfill: this event became public on Aug 19, 2026 and we added it on Nov 10, 2026. It is not a new event.
MediumMonitoringBackfillMedia reported
FOCI says some hosts and PCs were infected, and it started defense and backup operations with outside specialists
1 min read
- Disclosed
- Aug 19, 2026
- Published
- Nov 10, 2026
- Last updated
- Nov 10, 2026
- CVSS basis
- Our assessment
- Attack vector
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Cross-industry
What to do nowOur advice
The company has activated cybersecurity defense and backup operations and is handling the incident jointly with external IT professionals [1].
Timeline
- Date of company public disclosure or customer notification per source[1]
Technical details
Verified Incident and Response
According to iThome, FOCI Fiber Optic Communications announced on August 19 that its information systems suffered a cyberattack in which some hosts and computers were infected with malware [1].
Based on preliminary investigations, FOCI assessed that the incident has no material impact on company operations [1].
The company has activated cybersecurity defense and backup operations and is handling the incident jointly with external IT professionals [1].
References
Media1
- [1]
“光纖元件廠商上詮（3363）在8月19日晚間，於股市資訊公開觀測站發布重大訊息，指出該公司的資訊系統遭受駭客網路攻擊，部分主機與電腦遭到病毒攻擊。”
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