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Ciena

everest

This record tracks a ransomware attack claimed by the everest group against Ciena. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Country
United States
Business Category
Telecommunications
Employees
+1000
Discovered
2026-01-20
Published
January 20, 2026
Victim ID
gLgYq6ehZCbJ

Attack Summary

[AI generated] Ciena Corporation is a US-based global supplier of telecommunications networking equipment, software, and services. The company's solutions support the delivery of voice, video, and data traffic for many of the world's largest telecom service providers. Its product portfolio includes solutions for optical transport, broadband access, data center connectivity, and software automation. It was founded in 1992 and headquartered in Hanover, Maryland.

Original Post View Group: everest
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