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NTT Docomo Business lowers IoT barriers with NaaS security

NTT Docomo Business has announced a new NaaS for IoT called "docomo business SIGN" and a new feature called "WAN Security" for its NaaS service "docomo business RINK," which connects business locations. NaaS (Network as a Service) allows for on-demand instant service launch and changes, optimizes costs through a subscription model, and offers integrated ICT functionality. NTT Docomo Business (formerly NTT Communications) is expanding its NaaS services. The company held a NaaS briefing on September 26, 2025, announcing the launch of its new IoT-oriented NaaS, "docomo business SIGN," and the new WAN security feature of its NaaS service, "docomo business RINK," which connects business locations. Hisashi Fujishima, Executive Vice President and General Manager of Cloud & Network Services at NTT Docomo Business' Platform Services Division, explained, "We will incorporate our…