Telcos worldwide are experiencing cyberbreaches, and vendors are also being targeted.
Ribbon Communications, an optical system vendor, has been hacked by "unauthorized persons, reportedly associated with a nation-state actor," believed to be a reference to China.
The hackers have been sitting quietly in Ribbon's IT systems for almost a year.
The incident was disclosed in the company's 10-Q filing with the Securities and Exchange Commission (SEC) under the sub-heading "Cybersecurity Incident Disclosure" on page 57.
The telecom sector's focus on cybersecurity is not only on network operators but also on tech suppliers like Ribbon.
Author's summary: Ribbon Communications suffered a cybersecurity incident.