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Security report for materializedview.io

Domain Protection Services, Inc. · Technology · United States

Medium risk. 6 critical or high findings in Email security, Security headers and 2 other checks.

Security score

62/100

Risk levelMedium

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

Materialized View is a technology-focused newsletter and podcast platform run by Chris Riccomini, delivering in-depth content on software infrastructure, projects, and developer interviews. The business operates on a subscription model via the Substack platform, targeting software developers and technology enthusiasts. The website is professionally designed, mobile-optimized, and leverages modern web technologies and Substack's hosting infrastructure. Security posture is solid with HTTPS enforced and error monitoring via Sentry, though explicit security policies and vulnerability disclosures are absent. Privacy compliance is adequate, relying on Substack's standard policies and cookie consent mechanisms. Overall, the domain registration is consistent with the business profile, and no suspicious indicators were found. The site is accessible without WAF or blocking mechanisms.

Scanned

NIS2 and GDPR posture

GDPR outside view
58/ 100 · Medium
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

6 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

    • High

      No SPF record found

      SPF helps prevent email spoofing

      What to do: Add SPF record: "v=spf1 include:_spf.yourmailprovider.com ~all"

  2. 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 X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

  3. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

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

Keep watching materializedview.io

This scan found 25 issues across 6 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

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  • 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
45
Email security
30
DNS health
65
Network security
100
GDPR outside view
58
Average
62

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

The newsletter occupies a niche in software infrastructure content with a growing subscriber base of thousands, indicating a strong market position in its segment. The business model centers on content subscription and podcasting, supplemented by affiliate marketing (e.g., Amazon links). Partnerships include related domains such as materializedview.capital, suggesting an ecosystem around the brand. The content quality and branding are consistent, supporting credibility and audience trust. Growth indicators include regular content updates and a presence on social media platforms like Twitter.

Security posture

The website demonstrates a mature security posture with HTTPS and use of security monitoring tools like Sentry. However, it lacks published security policies, incident response contacts, and vulnerability disclosure mechanisms, which are recommended for enhanced trust and compliance. No vulnerabilities or exposed sensitive data were detected in the content. Security headers are likely managed by the Substack platform but are not explicitly confirmed. The absence of a security.txt or similar document limits transparency for security researchers.

Recommendations

  1. Publish a dedicated security policy page including incident response procedures and contact information.
  2. Implement and verify security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Add a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  4. Enhance privacy compliance disclosures with explicit data retention and processing details.
  5. Consider adding verified company contact information to improve business credibility and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Domain Protection Services, Inc.
Description
Software infrastructure hot takes, projects, papers, developer interviews, and deep dives. Brought to you by Chris Riccomini.
Key services
Newsletter publishing, Podcasting, Content curation and analysis
Content quality
good
Branding
consistent

Technology

Stack
Substack platform, JavaScript, Sentry (error tracking), Google Fonts, CSS (Tailwind, custom styles)
Platforms
Substack
Performance
fast
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of Sentry for error monitoring

Analytics and tracking

Services
Sentry (error tracking)
Tracking level
minimal
Privacy practices
good

Advertising

Marketing tools
Substack marketing tools
Transparency
basic

Site quality

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

Key observations

  1. Website is a Substack-hosted newsletter focused on software infrastructure topics.
  2. Content is professionally presented with regular posts and podcast episodes.
  3. No direct company contact emails or phone numbers found on the site.
  4. Privacy and terms policies are linked to Substack's standard pages.
  5. No explicit security or incident response policies published.
  6. Domain is relatively new but consistent with business age and purpose.
  7. No WAF or blocking detected; site fully accessible.
  8. No adult or questionable content detected.
Technical notes

Notes

The website is built on the Substack platform, utilizing modern JavaScript frameworks and CSS styling with Tailwind and custom styles. Hosting is via Substack's CDN and AWS S3 for media assets, ensuring fast performance and scalability. The site is mobile-optimized and accessible with good SEO practices including meta tags and structured data (JSON-LD). Error tracking is implemented via Sentry. There is no evidence of technical debt or outdated libraries. Opportunities exist to improve accessibility features and explicit security header implementation.
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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