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Is sktelecom.com a Scam? Security Check Results - SK Telecom Co., Ltd.

sktelecom.com Security Report Summary

sktelecom.com received a security score of 61 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers SK Telecom Co., Ltd.'s website security posture. SK Telecom Co., Ltd. operates in the Telecommunications industry in South Korea.

SK Telecom Co., Ltd. is a leading South Korean telecommunications company with a strong focus on AI infrastructure and services. The company positions itself as a global AI company, leveraging AI data centers, GPU cloud services, and edge AI technologies. The website reflects a mature enterprise with comprehensive investor relations, ESG management, and corporate information. Technically, the site uses a mix of legacy and modern JavaScript libraries, Google Tag Manager for analytics, and is well-optimized for mobile and accessibility. Security posture is good with HTTPS enforced, but lacks explicit security headers and visible incident response contacts. Privacy compliance is moderate with a clear privacy policy but no visible cookie consent mechanism. The domain WHOIS data is missing, which reduces transparency but the website content and branding strongly indicate legitimacy. Overall, the site is professional, trustworthy, and well-maintained.

The security scan identified 33 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: jQuery 1.12.2, Google Tag Manager, GSAP, Slick Carousel, UA-Parser, jQuery UI.

About this security scan

Guard performs automated security assessments of websites by analyzing SSL/TLS certificates, HTTP security headers, DNS configuration, email authentication protocols (SPF, DKIM, DMARC), GDPR compliance indicators, NIS2 directive compliance, network exposure, and AI-powered business intelligence. Each report provides domain-specific findings, risk scores, and actionable recommendations.

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Is sktelecom.com Safe? Security Analysis for SK Telecom Co., Ltd.

https://sktelecom.com

Check if sktelecom.com is a scam or legitimate. Free security scan and reviews.

TelecommunicationsSouth Koreaenterprise
jQuery 1.12.2Google Tag ManagerGSAPSlick CarouselUA-Parser+1 more
Analyzed 6/23/2025Completed 3:57:06 PM9mo ago
61
Security Score
MEDIUM RISK

10,000+

Domains scanned

500+

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Order summary

Domainsktelecom.com
Access tierFull report or marketing add-on

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Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.

SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

AI Summary

SK Telecom Co., Ltd. is a leading South Korean telecommunications company with a strong focus on AI infrastructure and services. The company positions itself as a global AI company, leveraging AI data centers, GPU cloud services, and edge AI technologies. The website reflects a mature enterprise with comprehensive investor relations, ESG management, and corporate information. Technically, the site uses a mix of legacy and modern JavaScript libraries, Google Tag Manager for analytics, and is well-optimized for mobile and accessibility. Security posture is good with HTTPS enforced, but lacks explicit security headers and visible incident response contacts. Privacy compliance is moderate with a clear privacy policy but no visible cookie consent mechanism. The domain WHOIS data is missing, which reduces transparency but the website content and branding strongly indicate legitimacy. Overall, the site is professional, trustworthy, and well-maintained.

Detected Technologies

jQuery 1.12.2Google Tag ManagerGSAPSlick CarouselUA-ParserjQuery UI

10 urgent findings need attention

10 high

  • + 2 more findings in the full report below
Continuous monitoring

Keep sktelecom.com under constant watch

Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.

Security drift alerts

Risk score drops, new high-severity issues, and header hardening gaps

Compliance watch

GDPR / NIS2 posture changes with governance evidence snapshots

Infrastructure surface

Unexpected open services, SSL expiry, DNS & email authentication changes

Content & tracker intelligence

Marketing tech shifts, analytics drift, and AI recommendation updates

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Security Headers

8 findings

15/100

GDPR Compliance

4 findings

53/100

NIS2 Compliance

9 findings

2/100

Email Security

4 findings

75/100

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

SK Telecom holds a dominant market position in South Korea's telecommunications sector, offering a broad range of services including mobile communications, AI B2C and B2B solutions, and AI infrastructure. The company maintains a robust ecosystem of subsidiaries and partners, enhancing its market reach and service diversity. The business model focuses on leveraging AI to drive innovation and growth, targeting both consumer and enterprise segments. The presence of detailed ESG and investor information signals strong corporate governance and transparency. The company’s digital presence supports its brand as a technology leader with a focus on sustainability and customer trust.

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a good security baseline with enforced HTTPS and no visible exposure of sensitive data. However, the absence of explicit security headers such as Content Security Policy (CSP), HSTS, and X-Frame-Options is a gap that could be addressed to enhance protection against common web attacks. No vulnerability disclosure or incident response information is publicly available, which could hinder coordinated vulnerability management. The lack of a cookie consent mechanism may pose compliance risks in certain jurisdictions. Overall, the security posture is solid but could be improved with additional best practices and transparency.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement and enforce security headers including CSP, HSTS, and X-Frame-Options to strengthen web security.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

SK Telecom Co., Ltd.

Description:

SK Telecom is a leading telecommunications company in South Korea focused on AI infrastructure, services, and global AI market leadership.

Key Services:
Mobile telecommunicationsAI B2C and B2B servicesAI infrastructure (GPU cloud, AI data centers)Customer support and digital services
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
jQuery 1.12.2Google Tag ManagerGSAPSlick CarouselUA-ParserjQuery UI
Performance:

moderate

Mobile:

good

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager for analytics

Analytics & Tracking

Services:
Google Analytics (via Google Tag Manager)
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Transparency Level:basic

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is fully accessible with rich content and professional design.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

15/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

53/100
Score

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
phone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

2/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

Critical sector without clear security compliance

HIGH

Detected sectors: energy, transport, banking, health, digital

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📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

75/100
Score

DMARC not enforcing

MEDIUM

DMARC policy is set to "none"

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 ip4:220.103.255.156/31 ip4:220.103.255.36 ip4:203.236.20.104/29 ip4:203.236.1.80/28 ip4:203.236.20.1/26 ip4:203.236.1.102/31 ip4:203.236.1.192/27 ip4:211.188.154.57 ip4:3.34.13.255 ip4:223.62.24 0.136/31 ip4:203.236.20.242/31 ip4:10.179.23.201 include:mnservicemail1.sktelecom.com include:spf.protection.outlook.com -all
DNS Lookups:2/10
Policy:-all
DKIM Selectors Found
Selector:s1(1440-bit rsa)
DMARC Details
Policy:none
Aggregate Reports:imas_dmarc_reports@sktelecom.com

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

85/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 76 days

Mixed Content Detected

MEDIUM

2 resources loaded over insecure HTTP

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:www.sktelecom.com
Issuer:Sectigo RSA Extended Validation Secure Server CA
Valid Until:9/7/2025 (76 days)
SANs:www.sktelecom.com, sktelecom.com

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

75/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

DMARC Policy Set to None

LOW

DMARC is configured but not enforcing any policy

Domain Registration Details

Domain Age
28 years(mature)
Expiry Risk
low(expired)
Protection Level
basicDNSSEC OFF

DNS Records

A Records:4.230.154.142
Name Servers:
gate.sktelecom.com
gate2.sktelecom.com
gate3.sktelecom.com
gate4.sktelecom.com
MX Records:
10: spmail.sk.com
SOA:Serial: 2016113229, TTL: 86400s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:318ms

SPF Analysis

SPF Record:
v=spf1 ip4:220.103.255.156/31 ip4:220.103.255.36 ip4:203.236.20.104/29 ip4:203.236.1.80/28 ip4:203.236.20.1/26 ip4:203.236.1.102/31 ip4:203.236.1.192/27 ip4:211.188.154.57 ip4:3.34.13.255 ip4:223.62.24 0.136/31 ip4:203.236.20.242/31 ip4:10.179.23.201 include:mnservicemail1.sktelecom.com include:spf.protection.outlook.com -all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

How does sktelecom.com compare?

See how sktelecom.com stacks up against similar websites in the same industry.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website uses a combination of older and modern JavaScript libraries such as jQuery 1.12.2, GSAP for animations, and Slick Carousel for sliders. Google Tag Manager is used for analytics and tracking, indicating a mature digital marketing setup. The site is mobile responsive with good accessibility features including skip navigation links and ARIA roles. Performance is moderate, with some room for optimization. No CMS or hosting provider details are explicitly detected. The technical infrastructure supports a professional corporate website with dynamic content and interactive features.
Professional PDF & Marketing Data

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PDF Report & Export

PDF download, email delivery, unlock code

39.90 €one-time • Incl. 21% VAT

Marketing Intelligence

Contact emails, phone numbers & warm leads

49.90 €one-time • Incl. 21% VAT

Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domainsktelecom.com
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.

SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

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