Ribbon Communications hit by suspected nation-state cyberattack; U.S. probe finds limited data exposure, no gov systems hit. Ribbon Communications Confirms Cyber Breach Linked to Suspected Nation-State Hackers Texas-based telecom technology provider Ribbon Communications has disclosed a major cybersecurity breach believed to be the work of a nation-state-linked hacking group . The revelation came in the company’s October 23 filing with the U.S. Securities and Exchange Commis