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Is claude.ai a Scam? Security Check Results - Anthropic PBC

claude.ai Security Report Summary

claude.ai received a security score of 72 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Anthropic PBC's website security posture. Anthropic PBC operates in the Technology industry in United States.

Anthropic PBC operates the claude.ai domain, providing an AI assistant named Claude. The company is positioned as a technology innovator in AI conversational assistants, targeting developers, enterprises, and AI users. The website is professionally designed using modern frameworks such as React and Next.js, hosted via Cloudflare, and optimized for performance and mobile use. Security practices are strong, with HTTPS enforced and multiple security headers present, though DNSSEC is not enabled. Privacy and cookie policies are comprehensive and GDPR compliant, with consent mechanisms implemented. No direct contact information or security incident response details are publicly available on the login page. WHOIS data confirms the domain is legitimately registered to Anthropic PBC in the US since 2018, consistent with the company's founding and product timeline.

The security scan identified 22 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: React, Next.js, Tailwind CSS, Cloudflare DNS.

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.

A

Is claude.ai Safe? Security Analysis for Anthropic PBC

https://claude.ai

Check if claude.ai is a scam or legitimate. Free security scan and reviews.

TechnologyUnited Statesmedium
ReactNext.jsTailwind CSSCloudflare DNS
Analyzed 9/4/2025Completed 10:18:00 PM6mo ago
72
Security Score
MEDIUM RISK

Above Technology avg (72)

10,000+

Domains scanned

500+

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Order summary

Domainclaude.ai
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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

AI Summary

Anthropic PBC operates the claude.ai domain, providing an AI assistant named Claude. The company is positioned as a technology innovator in AI conversational assistants, targeting developers, enterprises, and AI users. The website is professionally designed using modern frameworks such as React and Next.js, hosted via Cloudflare, and optimized for performance and mobile use. Security practices are strong, with HTTPS enforced and multiple security headers present, though DNSSEC is not enabled. Privacy and cookie policies are comprehensive and GDPR compliant, with consent mechanisms implemented. No direct contact information or security incident response details are publicly available on the login page. WHOIS data confirms the domain is legitimately registered to Anthropic PBC in the US since 2018, consistent with the company's founding and product timeline.

Detected Technologies

ReactNext.jsTailwind CSSCloudflare DNS

10 urgent findings need attention

10 high

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

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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

4 findings

55/100

GDPR Compliance

3 findings

50/100

NIS2 Compliance

6 findings

35/100

Email Security

3 findings

85/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

Anthropic's business model centers on AI-as-a-Service, offering conversational AI tools and APIs for individual and team use. The company targets technology-savvy users and enterprises seeking AI assistance. The market position is that of an emerging leader focusing on safe and usable AI. The website content and branding are consistent and professional, supporting trustworthiness. The company uses reputable domain registration and hosting providers, indicating operational maturity. Marketing and analytics tools are used moderately, with Google Tag Manager and Sift detected. No suspicious or affiliate domains were found linked to the site.

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a mature security posture with HTTPS, strong security headers, and no visible vulnerabilities or exposed sensitive data. The absence of DNSSEC is a minor gap. No explicit security policies or incident response contacts are published on the login page, which could be improved. The site does not appear to be behind a WAF or security challenge, allowing full content access. Overall, the security posture is strong with room for enhanced transparency in security policies and vulnerability disclosure.

Strategic Recommendations

Priority Actions for Security Improvement

1

Enable DNSSEC to improve domain name system security and prevent spoofing.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Anthropic PBC

Description:

Claude is an AI assistant developed by Anthropic, providing conversational AI services and tools for individuals and teams.

Key Services:
AI conversational assistantAPI access to AI modelsTeam collaboration tools
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
ReactNext.jsTailwind CSSCloudflare DNS
Frameworks:
ReactNext.js
Platforms:
Web
Performance:

fast

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
90/100
Best Practices:
  • HTTPS enforced
  • Client-side security headers present
  • No exposed sensitive data detected

Analytics & Tracking

Services:
Google Tag ManagerSift
Tracking Level:moderate
Privacy Compliance:good

Advertising & Marketing

Marketing Tools:
Sift
Transparency Level:basic

Website Quality Assessment

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

Key Observations

1

Website uses modern web technologies and frameworks

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

55/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections

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)

Weak Referrer-Policy configuration

LOW

Current value: "same-origin"

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

50/100
Score

No Privacy Policy found

HIGH

GDPR requires a clear and accessible privacy policy

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

Third-party services without privacy policy

HIGH

Detected services: Google Analytics

GDPR Compliance Analysis

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

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

35/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

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 NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

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📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

85/100
Score

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 -all
DNS Lookups:0/10
Policy:-all
DKIM Selectors Found
Selector:selector20
Selector:mail0
Selector:email0
Selector:dkim0
Selector:s10
DMARC Details
Policy:reject
Aggregate Reports:77e00ffe8c9a4e58815efcec52c89399@dmarc-reports.cloudflare.net

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

75/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 47 days

Weak SSL Key Length

HIGH

SSL certificate uses 256-bit key, which is considered weak

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:claude.ai
Issuer:E6
Valid Until:10/22/2025 (47 days)
SANs:claude.ai, staging.claude.ai, www.claude.ai

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

85/100
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 Registration Details

Domain Age
7 years(mature)
Expiry Risk
none(1227 days)
Protection Level
strongDNSSEC OFF

DNS Records

A Records:160.79.104.10
AAAA Records:2607:6bc0::10
Name Servers:
isla.ns.cloudflare.com
randy.ns.cloudflare.com

DNSSEC Status

DNSSEC Not Enabled

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 claude.ai compare?

See how claude.ai 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 is built using modern JavaScript frameworks React and Next.js, styled with Tailwind CSS, and hosted on Cloudflare infrastructure. It uses multiple asynchronously loaded JavaScript chunks for modularity and performance. The site is mobile responsive and optimized for fast loading. SEO meta tags and Open Graph tags are properly configured for social sharing. Analytics and marketing scripts include Google Tag Manager and Sift for user behavior tracking and fraud prevention. No CMS is detected, indicating a custom or headless architecture. The technical implementation is robust and aligns with current best practices for web applications.
Professional PDF & Marketing Data

Download the claude.ai report as PDF

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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

Domainclaude.ai
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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