Ciena
bd_2ffdd376795dfa3c · schema v1 · pii pii-v1
Full breach record for Ciena →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Everest on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
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.
Source provenance
- Source URL
- https://www.ransomware.live/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jan 20, 2026
- Raw hash
- 6344fadd9114c3a906627e3b9da9414c11e83d01d99464d8c952924b0d720cdc
Reporting entity
- Name
- everest
Victim entity
- Name
- Cienanorm: ciena
- Industry
- Telecom & Mediallm
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· everest
- Threat actor
- EverestExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.