Optical vendor Ribbon suffers ‘cybersecurity incident’

Optical Vendor Ribbon Suffers Cybersecurity Incident

Telcos worldwide are experiencing cyberbreaches, but vendors are also being targeted.

Ribbon Communications, a Plano, Texas-based optical and IP networking system developer, recently fell victim to a cybersecurity incident.

Unauthorized persons, reportedly associated with a nation-state actor, believed to be a reference to China, have hacked the vendor.

The hackers have been present in Ribbon's IT systems for almost a year, according to the company's 10-Q filing with the Securities and Exchange Commission (SEC).

The incident is disclosed on page 57 of the 10-Q filing under "Cybersecurity Incident Disclosure".

Author's summary: Ribbon Communications suffered a cybersecurity incident.

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TelecomTV TelecomTV — 2025-10-31

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