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Security report for getpostman.com

Postman · Technology · N/a

Low risk. 2 critical or high findings in Security headers and SSL/TLS.

Security score

85/100

Risk levelLow

0–100, higher is better. How it is calculated

Postman is a leading API platform that provides an all-in-one solution for API development, testing, monitoring, and collaboration. The company targets developers and enterprises seeking to accelerate their API lifecycle with streamlined tools and workflows. The website reflects a mature, enterprise-grade SaaS business with a strong market position in the technology sector. Technically, the site leverages modern frameworks such as Next.js and React, and integrates multiple analytics and marketing tools to optimize user engagement and performance. Security posture is robust with HTTPS enforcement, security headers, and privacy compliance mechanisms including GDPR-consistent policies and cookie consent banners. However, the absence of publicly available WHOIS data and explicit incident response or vulnerability disclosure information slightly reduces transparency. Overall, the website is professional, secure, and trustworthy, supporting Postman's reputation as a market leader in API management.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 100 · Low
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

2 findings rated critical or high. Fix these first.

  1. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

  2. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak SSL Key Length

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

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

Need hands-on remediation? Email guard@offseq.com

Keep watching getpostman.com

This scan found 13 issues across 5 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
75
Security headers
65
Email security
80
DNS health
90
Network security
100
GDPR outside view
100
Average
85

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Postman operates in the technology sector as a SaaS provider specializing in API lifecycle management. Its business model revolves around subscription-based services with offerings for API design, testing, monitoring, and collaboration. The platform serves a broad developer audience and enterprise clients, emphasizing integration and AI-powered features. The company maintains a strong digital presence with comprehensive educational resources, community engagement, and support infrastructure. Marketing and advertising efforts utilize multiple ad networks and tracking pixels to drive growth and user acquisition. The lack of explicit company registration or VAT information on the website is typical for SaaS businesses but could be improved for enhanced credibility. Strategic partnerships and integrations are highlighted, though no direct partner domains were identified in the HTML content.

Security posture

The website demonstrates a high level of security maturity with enforced HTTPS, modern security headers, and privacy compliance aligned with GDPR. Use of analytics and monitoring tools like Segment and Hotjar is balanced with cookie consent mechanisms, indicating responsible data handling. No exposed sensitive data or vulnerable libraries were detected in the HTML content. However, the absence of a published security.txt file or vulnerability disclosure policy limits transparency for security researchers. Incident response contact information is not publicly available, which could be a gap in readiness communication. Overall, the security posture is strong but could benefit from enhanced public disclosure of security policies and incident handling procedures.

Recommendations

  1. Publish a security.txt file or dedicated vulnerability disclosure page to facilitate responsible reporting.
  2. Provide clear incident response contact information to improve transparency and trust.
  3. List relevant security certifications and compliance frameworks to strengthen credibility.
  4. Consider publishing company registration and VAT details for enhanced business transparency.
  5. Maintain and regularly update privacy and cookie policies to ensure ongoing GDPR compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Postman
Description
Accelerate API development with Postman's all-in-one platform. Streamline collaboration and simplify the API lifecycle for faster, better results.
Key services
API design, API testing, API monitoring, API documentation, Collaboration workspaces, AI agent builder
Content quality
excellent
Branding
consistent

Technology

Stack
React, Next.js, JavaScript, Segment Analytics, Hotjar, Google Tag Manager, Facebook Pixel, LinkedIn Insight Tag, Bing UET, Reddit Pixel, DemandBase, Qualified, Transcend, Cookielaw.org
Frameworks
Next.js
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Content Security Policy present
  • Cookie consent implemented
  • No exposed sensitive data in HTML
  • Use of security analytics and monitoring tools

Analytics and tracking

Services
Google Analytics (via GTM), Segment Analytics, Hotjar, Facebook Pixel, LinkedIn Insight Tag, Bing UET, Reddit Pixel
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Bing Ads, StackAdapt, Reddit Ads, Facebook Ads, LinkedIn Ads, Google Ads
Tracking pixels
Facebook Pixel, LinkedIn Insight Tag, Reddit Pixel, Hotjar, Segment Analytics, DemandBase, Qualified
Marketing tools
Segment, Hotjar, DemandBase, Qualified, GrowthChannel, Influ2, Metadata.io
Transparency
good

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with rich content and navigation
  2. Strong use of modern web technologies and analytics
  3. Comprehensive privacy and cookie policies with consent mechanisms
  4. No direct contact emails or phone numbers publicly listed, contact via forms
  5. No explicit incident response or vulnerability disclosure information found
  6. No WHOIS data available, possibly due to privacy protection or registry limitations
  7. High professionalism and trust signals in website design and content
Technical notes

Notes

The website is built using modern web technologies including React and Next.js, ensuring fast performance and excellent mobile responsiveness. Integration with multiple analytics and marketing platforms supports data-driven decision making. The site uses advanced security headers and enforces HTTPS, contributing to a secure user experience. Accessibility features are present, and SEO optimization is thorough with proper meta tags and Open Graph data. No CMS was detected, suggesting a custom or headless architecture. Hosting provider details were not explicitly found in the HTML content. Overall, the technical infrastructure is modern, performant, and well-implemented with minor opportunities for improvement in transparency and security disclosures.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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