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NTT

NTT provides information technology services and telecommunications solutions globally. The company operates across multiple sectors including network infrastructure, data centers, cloud computing, and cybersecurity services for enterprise and government clients. UpGuard continuously monitors the security posture of NTT using open-source, commercial, and proprietary threat intelligence feeds. Our analysis is centered on objective, externally verifiable information.

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NTT Security Rating

NTT's security rating is based on the analysis of their external attack surface. The higher the rating, the better their security posture. Start a free trial to get a more in-depth risk assessment for NTT.

Company info

NTT
Company NTT Employees 210 Location Chiyoda City, Japan Last updated October 19, 2026

Last updated October 19, 2026

NTT Vendor Risk Report

This vendor risk report is based on UpGuard's continuous monitoring of NTT's security posture using open-source, commercial, and proprietary threat intelligence feeds. The results are summarized into a security rating based on the analysis of hundreds of individual checks across five risk categories: website security, email security, phishing & malware, brand & reputation risk, and network security.

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Website Security

NTT

Server information header not exposed

Ensuring the server information header is not exposed reduces the ability of attackers to exploit certain vulnerabilities.

X-Powered-By header not exposed

Information about specific technology used on the server is obscured.

Referrer policy is not unsafe-url

The website's Referrer Policy is not configured to allow unsafe information to be sent in the referrer header.

ASP.NET version header not exposing specific ASP.net version

Ensuring the ASP.NET version header is not exposing a specific version makes it harder for attackers to exploit certain vulnerabilities.

ASP.NET version header not exposed

Ensuring the ASP.NET version header is not exposed makes it harder for attackers to exploit certain vulnerabilities.

No unmaintained page detected

The page appears to be maintained.

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Website Security scan results table Cyber security rating score 850 out of 950

Email

NTT

DMARC policy is p=quarantine

The DMARC policy should be set to p=reject for maximum protection.

DMARC policy exists

DMARC protects against fraudulent emails being sent from a domain.

DMARC policy percentage is default

DMARC policy percentage is set to default 100%, ensuring all mail is covered by the policy.

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Network

NTT

No ports are open

No open ports were detected.

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DNS

NTT

DNSSEC not enabled

DNSSEC records prevent third parties from forging the records that guarantee a domain's identity. DNSSEC should be configured for this domain.

No unregistered MX records detected

No unregistered MX records that could lead to receiving mail on behalf of the target organization were detected.

Domain has not expired

Domain has not expired.

Domain does not expire soon

Domain does not expire within 30 days.

Domain not flagged as inactive

Domain is not flagged as inactive.

Domain not pending deletion

Domain is not pending deletion with the registrar.

Domain not pending restoration

Domain is not pending restoration with the registrar.

Domain registrar or registry deletion protection enabled

Domain is protected from unsolicited deletion requests with the registrar or registry.

Domain registrar or registry transfer protection enabled

Domain is protected from unsolicited transfer requests.

Domain registrar or registry update protection enabled

Domain is protected from unsolicited update requests with the registrar or registry.

Domain free of registrar DNS resolution hold

Domain is not under a DNS resolution hold with the registrar.

Domain free of registry DNS resolution hold

Domain is not under a DNS resolution hold with the registry itself.

Domain renewal not prohibited by registry

Domain is not prohibited from renewal at the registry itself.

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Encryption

NTT

HTTPS redirect not supported

HTTPS is the standard protocol for secure communication on the internet. All redirects should be performed over HTTPS.

HTTP requests are redirected to HTTPS

All HTTP requests are redirected to HTTPS.

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IP/Domain Reputation

NTT

No reports of botnet activity in the last 30 days

This IP/domain has not been reported as a source of botnet activity in the last 30 days.

No reports of brute force login attempts in the last 30 days

This IP/domain did not appear on any list of IPs and domains known to perform brute force login attempts in the last 30 days.

No reports of malware distribution in the last 30 days

This IP/domain has been reported for distributing malware in the last 30 days.

No reports of unsolicited scanning in the last 30 days

This IP/domain has not been reported for performing unsolicited scanning in the last 30 days.

No reports of phishing activity in the last 30 days

This IP/domain has not been reported as a phishing site in the last 30 days.

No reports of botnet activity in the last 90 days

This IP/domain has not been reported as a source of botnet activity in the last 90 days.

No reports of brute force login attempts in the last 90 days

This IP/domain did not appear on any list of IPs and domains known to perform brute force login attempts in the last 90 days.

No reports of malware distribution in the last 90 days

This IP/domain has been reported for distributing malware in the last 90 days.

No reports of unsolicited scanning in the last 90 days

This IP/domain has not been reported for performing unsolicited scanning in the last 90 days.

No reports of phishing activity in the last 90 days

This IP/domain has not been reported as a phishing site in the last 90 days.

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Security reports related to NTT

Compare NTT's security performance with other companies in their industry.

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Cybersecurity & Risk Management Library

The ultimate guide to attack surface and third-party risk management – actionable advice for security teams, managers, and executives.

Free · for NTT customers & vendors

You're evaluating NTT's risk.Are attackers evaluating yours?

UpGuard runs 330+ external checks on NTT continuously. Get the same view of your own company — free, in 30 seconds.
Get my free score
Website Security scan results table Cyber security rating score 850 out of 950
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