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China Unicom Hong Kong

China Unicom Hong Kong operates as a telecommunications service provider, offering mobile connectivity services including 5G networks, IoT terminal connections, and virtual private network solutions for enterprise customers. The company also provides computing power services and security solutions as part of its telecommunications infrastructure business. UpGuard continuously monitors the security posture of China Unicom Hong Kong using open-source, commercial, and proprietary threat intelligence feeds. Our analysis is centered on objective, externally verifiable information.

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China Unicom Hong Kong Security Rating

China Unicom Hong Kong'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 China Unicom Hong Kong.

Company info

China Unicom Hong Kong
Company China Unicom Hong Kong Location New York, NY, United States Last updated May 18, 2026

Last updated May 18, 2026

China Unicom Hong Kong Vendor Risk Report

This vendor risk report is based on UpGuard's continuous monitoring of China Unicom Hong Kong'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

China Unicom Hong Kong

X-Frame-Options is not deny or sameorigin

Browsers may display this website's content in frames. This can lead to clickjacking attacks.

CSP implemented unsafely

The Content Security Policy may not restrict sources appropriately, or may contain 'unsafe-inline' without the use of a nonce or hash. This increases the risk of XSS attacks.

CSP contains unsafe-eval

The Content Security Policy is implemented with unsafe-eval, reducing protection against XSS attacks.

X-Content-Type-Options is not nosniff

Browsers may interpret files as a different MIME type than what is specified in the Content-Type HTTP header. This can lead to MIME confusion attacks.

Unmaintained page detected

This domain appears to be unmaintained based on indicators like page content or status code. Unmaintained pages expand the attack surface for malicious actors.

Secure cookies used

Using secure cookies reduces the risk of third parties intercepting information contained in these cookies.

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.

CSP implemented without insecure active sources

The Content Security Policy does not allow any insecure active sources.

HttpOnly cookies used

Using HttpOnly cookies reduces the risk of client side script attacks, by preventing cookies being read on the client.

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.

CSP implemented without insecure passive sources

The Content Security Policy does not allow any insecure passive (img/media) sources.

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Email

China Unicom Hong Kong

DMARC policy is p=none

DMARC policy is p=none. This provides no protection against fraudulent emails. The DMARC policy should be migrated to p=quarantine, and eventually p=reject.

DMARC policy exists

DMARC protects against fraudulent emails being sent from a domain.

SPF enabled

Sender Policy Framework (SPF) records prevent spammers from sending messages with forged addresses.

Strict SPF filtering - not using +all

Sender Policy Framework (SPF) record strictly enforces specific domains allowed to send email on its behalf.

SPF syntax correct

Sender Policy Framework (SPF) record passes basic syntax checks.

SPF ptr mechanism not used

Sender Policy Framework (SPF) record does not include the ptr mechanism.

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Network

China Unicom Hong Kong

'MySQL' port open

The 'MySQL' service is running and exposed to the internet. The configuration of the server should be reviewed and unnecessary ports closed.

Port 10554 is open and listening

Port 10554 is open and an unidentified service was detected listening on this port. The configuration of the server should be reviewed and unnecessary ports closed.

Port 554 is open and listening

Port 554 is open and an unidentified service was detected listening on this port. The configuration of the server should be reviewed and unnecessary ports closed.

'HTTP' port open

The 'HTTP' service is running and exposed to the internet. The configuration of the server should be reviewed and unnecessary ports closed.

'HTTPS' port open

The 'HTTPS' service is running and exposed to the internet. The configuration of the server should be reviewed and unnecessary ports closed.

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DNS

China Unicom Hong Kong

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.

CAA not enabled

The domain does not contain a valid Certification Authority Authorization (CAA) record. A CAA record indicates which Certificate Authorities (CAs) are authorized to issue certificates for a domain.

No unregistered MX records detected

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

No subdomain takeover vulnerability detected

No dangling DNS records that could lead to subdomain takeover were detected.

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Encryption

China Unicom Hong Kong

SSL not available

SSL is the standard encryption method for browsing websites. Enabling SSL requires installing an SSL certificate on the site.

HTTP does not redirect to HTTPS

The domain is still accessible over HTTP. All HTTP requests should be redirected to HTTPS.

Hostname does not match SSL certificate

The site's hostname does not match the SSL certificate. The domain name should be added to the certificate, either as a Subject Alternative Name or as the Common Name.

HTTP Strict Transport Security (HSTS) not enforced

Without HSTS enforced, people browsing this site are more susceptible to man-in-the-middle attacks. The server should be configured to support HSTS.

Insecure SSL/TLS versions available

Any version of the SSL protocol, and TLS prior to version 1.2, are now considered insecure. The server should disable support for these old protocols.

SSL certificate chain missing from server response

There is an invalid or missing intermediate certificate. This can cause some browsers to break the padlock. An intermediate/chain certificate may need to be installed to link it to a trusted root certificate.

SSL expiration period longer than 398 days

Certificates issued on or after September 1, 2020 must not have a validity period greater than 398 days. The certificate will need to be reissued with a maximum validity of 397 days.

Domain was not found on the HSTS preload list

The domain was not found on the HSTS preload list. Users who visit the website for the first time will be vulnerable to MITM attacks. The requirements for inclusion on the preload list are specified by hstspreload.org.

Weak cipher suites supported in TLS 1.2

Weak cipher suites can potentially be broken by a well resourced attacker, and should not be supported by the server unless very old devices or browsers must be supported.

Certificate not found on our revoked certificate list

The site's certificate chain was checked against our list of revoked certificates.

SSL has not expired

SSL certificate has not expired.

Trusted SSL certificate

The certificate presented by this domain was issued by a trusted certificate authority.

SSL chain certificates do not expire within 20 days

SSL intermediate and root certificates do not expire within 20 days.

SSL has more than 20% of its valid period remaining

SSL certificate does not expire in less than 20% of its total valid period.

Strong SSL algorithm

Industry standard SHA-256 encryption in use.

HSTS header contains includeSubDomains

The HTTP Strict Transport Security (HSTS) header contains the includeSubDomains directive.

Strong public certificate key length

The site's public certificate provides at least 112 bits of security strength.

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Data leakage

China Unicom Hong Kong

No open cloud storage service detected

No cloud storage service configured to allow anonymous file listing was detected.

Domain index is not a listable directory

The domain index is not a listable directory.

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IP/Domain Reputation

China Unicom Hong Kong

Not a suspected malware provider

This website does not appear to contain malicious code.

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.

Not suspected of unwanted software

This website does not appear to be attempting to install unwanted software.

Not a suspected phishing page

This site does not appear to be a forgery or imitation of another website.

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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Vulnerability Management

China Unicom Hong Kong

Not vulnerable to CVE-2014-0160 (Heartbleed)

A bug in OpenSSL's implementation of the TLS heartbeat extension allows access to portions of memory on the targeted host e.g. cryptographic keys and passwords.

Not vulnerable to CVE-2014-3566 (POODLE)

The server does not support SSLv3, and is not vulnerable to the POODLE attack.

Not vulnerable to CVE-2015-0204 (FREAK)

The server does not offer RSA_EXPORT cipher suites, so clients are not vulnerable to the FREAK attack.

Not vulnerable to CVE-2015-4000 (Logjam)

The server is using strong Diffie-Hellman parameters and is not vulnerable to the Logjam attack.

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Security reports related to China Unicom Hong Kong

Compare China Unicom Hong Kong's security performance with other companies in their industry.

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