Bethpage-based Cablevision Systems Corp. on Thursday filed a lawsuit seeking to force telecommunications rival Verizon Communications to end what it called “false, misleading and deceptive advertising ...

Cablevision System Corp.’s Optimum Wi-Fi Hotspots are putting customers’ electronic devices’ security at risk, slowing Internet speeds and increasing electric bills, a Brooklyn man claimed in a ...

NEW YORK--(BUSINESS WIRE)--Altice USA (NYSE:ATUS), the provider of Optimum and Suddenlink-branded broadband, video, and Altice Mobile service, today announces that it is upgrading the in-home ...