de facto holding company business consisting of 28 brands from across NTT Security, NTT Communications and Dimension Data.

Since its privatization in 1985, the abbreviation "NTT" has become synonymous with the brand name. Following amendments to the NTT Law permitting a change in its official trade name, the company was renamed to , effective 1 July 2025.

History

Established as a state monopoly

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