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Security report for airfiltersdelivered.com

Air Filters Delivered · Retail · United States

Low risk. 2 critical or high findings in GDPR outside view and SSL/TLS.

Security score

84/100

Risk levelLow

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

Air Filters Delivered is a small e-commerce retailer specializing in HVAC and furnace air filters, targeting residential customers in the United States. The company operates primarily through a Shopify-based online storefront, offering discounted air filters with home delivery and subscription options. Their market position is that of a niche discount retailer focused on convenience and affordability for homeowners needing HVAC maintenance supplies. Technically, the website leverages a modern Shopify infrastructure with integrations for marketing, analytics, and customer engagement tools such as Klaviyo, Yotpo, Hotjar, and Facebook Pixel. The site is mobile-optimized and employs standard e-commerce best practices, though some accessibility and security header enhancements could be made. Security posture is solid with HTTPS enforced and no visible vulnerabilities, but explicit security policies and incident response contacts are absent. Overall, the site is professional, trustworthy, and compliant with privacy regulations, though the lack of WHOIS data slightly reduces domain trustworthiness. Strategic recommendations include improving security headers, publishing security and incident response policies, and enhancing accessibility compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
85/ 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. 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

  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

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Keep watching airfiltersdelivered.com

This scan found 14 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.

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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
75
Email security
85
DNS health
85
Network security
100
GDPR outside view
85
Average
84

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention airfiltersdelivered.com, from OffSeq Breach.

Total records
289
Employees
0
Customers
289
Third parties
0
Weak passwords
19%

2 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for airfiltersdelivered.com.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

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

Business context

Business profile

The business operates in the retail and e-commerce sectors, focusing on HVAC air filters for residential customers. Their competitive advantage lies in offering discounted filters with convenient home delivery and subscription services. The company maintains an active social media presence across Facebook, Twitter, Pinterest, and Instagram, supporting customer engagement and brand awareness. Marketing efforts include multiple ad networks and affiliate programs, indicating a mature digital marketing strategy. The Shopify platform provides a scalable and secure e-commerce infrastructure, while integrations with Klaviyo and Yotpo enhance customer retention and loyalty. The absence of detailed company registration or WHOIS data suggests privacy protection or a relatively new domain, which is common for small online retailers. The business model is straightforward retail with a focus on convenience and price competitiveness.

Security posture

The website demonstrates a good security posture with HTTPS enabled and no detected critical vulnerabilities. Use of Shopify's secure hosting and payment infrastructure adds to the security assurance. However, the site lacks explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options, which are recommended to mitigate common web attacks. There is no publicly available security policy or incident response contact information, which could be improved to enhance transparency and readiness. The cookie consent banner and privacy policy indicate compliance with GDPR and related privacy regulations. No signs of malware, phishing, or exposed sensitive data were found. Overall, the security maturity is moderate to good but could benefit from formalized policies and additional HTTP security headers.

Recommendations

  1. Implement and publish a comprehensive security policy and incident response plan on the website.
  2. Add HTTP security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection.
  3. Regularly audit and update third-party scripts and integrations to prevent vulnerabilities.
  4. Enhance website accessibility to meet WCAG standards for broader user inclusivity.
  5. Provide clear contact channels for security incidents, including abuse and security email addresses.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Air Filters Delivered
Description
Easily purchase the right furnace and AC filters online for your home. Buy discount filters for less, delivered to your door.
Key services
Online sales of furnace and AC air filters, Home delivery service, Subscription options for filter replacement
Content quality
good
Branding
consistent

Technology

Stack
Shopify, jQuery, Google Tag Manager, Hotjar, Facebook Pixel, Bing Ads, Outbrain, Taboola, Klaviyo, Yotpo, Recharge Subscriptions
Frameworks
Shopify Liquid, Zipify Pages
Platforms
Shopify e-commerce platform
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of Shopify platform security
  • Cookie consent banner implemented

Analytics and tracking

Services
Shopify Analytics, Google Tag Manager, Hotjar, Klaviyo, Yotpo
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Bing Ads, Facebook Ads, Outbrain, Taboola, Rakuten Advertising, Awin
Tracking pixels
Facebook Pixel, Hotjar, Klaviyo, Yotpo, Shopify Analytics
Marketing tools
Klaviyo, Recharge Subscriptions, Yotpo Loyalty and Reviews
Transparency
good

Site quality

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

Key observations

  1. Website is a Shopify-based e-commerce store selling HVAC and furnace air filters.
  2. No WHOIS data available, possibly due to privacy protection or unregistered domain.
  3. Good use of modern marketing and analytics tools.
  4. Privacy and cookie policies are present and GDPR compliant.
  5. No explicit security policy or incident response information found.
  6. No suspicious or malicious content detected.
  7. Website is accessible without WAF or security challenges.
Technical notes

Notes

The website is built on the Shopify platform, utilizing Liquid templates and a variety of modern JavaScript libraries and marketing integrations including jQuery, Google Tag Manager, Hotjar, Facebook Pixel, Klaviyo, Yotpo, and Recharge for subscriptions. The site loads resources from Shopify's CDN and other trusted third-party domains, ensuring good performance and reliability. Mobile optimization is good, and SEO best practices are followed with proper meta tags and structured data (JSON-LD). Accessibility features are basic and could be improved. The site uses multiple advertising and affiliate networks, indicating a mature marketing infrastructure. Overall, the technical implementation is solid with room for enhancements in security headers and accessibility.
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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