Optical vendor Ribbon suffers ‘cybersecurity incident’

Optical Vendor Ribbon Suffers Cybersecurity Incident

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

Optical system vendor Ribbon Communications, based in Plano, Texas, recently suffered a cybersecurity incident.

In its 10-Q filing with the Securities and Exchange Commission (SEC), Ribbon admitted to being hacked by "unauthorized persons, reportedly associated with a nation-state actor," believed to be a reference to China.

hackers have been sitting quietly in Ribbon’s IT systems for almost a year

The incident was reported 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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