NTT SecurityCybersecurity company profile

MDR/MSSPsubsidiarySales org
ByDecipherU Editorial
Version 1.0 · Published April 2026 · Last verified April 2026
DecipherU is not affiliated with, endorsed by, or sponsored by NTT Security. Information is compiled from publicly available sources for educational purposes.

NTT Security Holdings is the cybersecurity division of NTT Group, one of the largest telecommunications companies globally. The division provides managed security services, threat intelligence, and incident response through its global network of SOCs. NTT publishes the annual Global Threat Intelligence Report and serves enterprises across Asia-Pacific, Europe, and North America.

Company at a Glance

Headquarters

Tokyo, Japan

Founded

2016

Employees

3,000-5,000

Ownership

subsidiary

Primary Focus

Global managed security services and threat intelligence

Sales Org

Yes

Key Cybersecurity Products & Services

  • Managed Detection and Response
  • Managed Security Services
  • Threat Intelligence
  • Incident Response
  • Vulnerability Management

Cybersecurity Roles at NTT Security

Careers at NTT Security

View current openings at NTT Security on their official careers page.

View NTT Security careers page

NTT Security Holdings is the cybersecurity division of NTT Group, one of the largest telecommunications companies globally. The division provides managed security services, threat intelligence, and incident response through its global network of SOCs. NTT publishes the annual Global Threat Intelligence Report and serves enterprises across Asia-Pacific, Europe, and North America.

NTT Security typically hires for roles including SOC Analyst, Threat Intelligence Analyst, Incident Responder, Security Engineer, Cybersecurity Account Executive. Check their careers page for current openings.

NTT Security is a subsidiary cybersecurity company headquartered in Tokyo, Japan with 3,000-5,000 employees. They focus on Global managed security services and threat intelligence. Research their official careers page and professional network presence for employee perspectives.

Last verified: April 2026?Report an inaccuracy

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