Cyber Threat Intelligence
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UF
Ransomware Victim

UFOC

Ransomware attack by Deadlock · Disclosed August 19, 2026 · 🇹🇼 Taiwan

www.ufoc.com.tw/en/company

Date Disclosed
Aug 19, 2026
2026
Threat Group
Deadlock
101 total victims
Country
🇹🇼 Taiwan
Industry
—

ThreatAI Analysis

Compiled from this incident record and the threat intelligence profile for Deadlock. Figures and technique mappings are quoted from the source data, not inferred.

Deadlock listed telecommunications firm UFOC on its dark web leak site on 19 August 2026. specialized in fiber optic cables and integrated technological systems, UFOC is a total solution provider for communication networks.

About UFOC

United Fiber Optic Communication Inc. (UFOC) is an established, publicly traded telecommunications company from Taiwan. The company acts as a total solution provider for communication networks and specializes in the manufacture of fiber optic cables and the provision of integrated technological systems.

Source record: ransomware.live

About the Deadlock group

Deadlock has listed 95 victims since May 2026.

Incident Analysis

UFOC was targeted by Deadlock ransomware, one of the most active ransomware groups in our database with 101 confirmed victims globally. The attack was disclosed on August 19, 2026, when UFOC appeared on the group's dark web leak site.

UFOC is based in Taiwan . Taiwan ranks #14 globally for ransomware attacks, with 188 victims in our database.

Deadlock typically employs a double extortion model: first exfiltrating sensitive data from the victim's systems, then deploying ransomware to encrypt files. Victims face two simultaneous threats — paying to restore access and paying to prevent publication of stolen data. The group's leak site publishes victim names and exfiltrated data as leverage.

Data source: This incident record is sourced from public ransomware group leak site disclosures aggregated via the ransomware.live API. Disclosure date reflects when the victim was published on the leak site, which may differ from the initial date of compromise. This platform does not publish or link to stolen data. Last data update: Sep 5, 2026 16:00 UTC.

Frequently Asked Questions

Was UFOC attacked by ransomware?

Yes. UFOC was listed as a victim of the Deadlock ransomware group on August 19, 2026. The organisation is based in Taiwan. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked UFOC?

UFOC was attacked by Deadlock ransomware. Deadlock is one of the most active ransomware groups, having claimed 101 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the UFOC ransomware attack occur?

The ransomware attack on UFOC was disclosed on August 19, 2026. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the UFOC ransomware attack?

The specific data stolen from UFOC has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. Sensitive business data was likely targeted.

How can organisations protect against Deadlock attacks?

To defend against Deadlock and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.