NTT Security

NTT Security

Global managed security services provider operating as part of NTT Group.

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About NTT Security

NTT Ltd. is a leading global technology services company that helps clients transform for long-term success through business and technology consulting, data and artificial intelligence, and industry solutions. With a presence in over 50 countries, NTT Ltd. operates a robust ecosystem of services including data centers, applications, infrastructure, and connectivity, enabling businesses to scale digitally anywhere and anytime.

Editorial Review

Our take on NTT Security

NTT Security operates as the security division of NTT Group, one of the world's largest telecommunications and technology services companies. With operations across the United States and globally, NTT provides managed security services backed by significant infrastructure and financial resources. The company serves large enterprises and telecommunications providers requiring global security operations support.

NTT's managed security services encompass 24/7 threat detection through global SOCs, enterprise security monitoring, security device management, and vulnerability management. Their capabilities include incident response, security consulting, and proactive threat hunting. NTT's global network of security operation centers provides follow-the-sun coverage. The company's telecommunications heritage provides unique insights into network-layer threats and communication security.

The company differentiates through NTT Group's global reach and telecommunications integration. For multinational organizations requiring consistent security services across regions, NTT can deliver through their worldwide presence. Their experience securing telecommunications infrastructure provides relevant expertise for service providers and critical infrastructure operators. However, NTT Security has lower brand visibility than specialized security vendors in North American markets.

For global enterprises and telecommunications companies requiring worldwide managed security services from a financially stable provider, NTT delivers comprehensive capabilities. Their telecommunications background suits organizations with significant network infrastructure. Best fit for multinational corporations with complex global operations, telecommunications providers, and enterprises preferring to consolidate security services with IT infrastructure and network providers.

Badges & Credentials

Verified credentials and recognition earned by NTT Security

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Recognition

Top Rated

This agency has an exceptional AgencyCluster score of 80+.

Experience

10+ Years

Established in 2016. Over 10 years of experience.

Company

Enterprise

Enterprise (500+)

Awards & Recognition

Rankings earned on AgencyCluster

Top 50 Cybersecurity Services

Nationwide · 2025

Top 25 Cybersecurity Services

in California · 2025

Top 10 Cybersecurity Services

in New York · 2025

Top 10 Cybersecurity Services

in Texas · 2025