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Security report for aircall.io

AIRCALL · Technology · United States

Low risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

78/100

Risk levelLow

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

Aircall is a leading cloud-based business phone system and call center software provider, offering AI-powered customer communication solutions designed for high-performing sales and support teams. The platform integrates seamlessly with major CRM and helpdesk systems, enhancing customer interactions through AI-driven insights, automation, and unified communication channels. Positioned as a technology leader, Aircall serves a broad market including small, medium, and large enterprises, with a strong emphasis on scalability and ease of use. Technically, Aircall employs a modern tech stack including Next.js, React, and AWS hosting, ensuring fast performance, mobile optimization, and accessibility. The website is well-structured with comprehensive SEO and privacy compliance, supported by robust analytics and marketing tools. Security is a key focus, with industry-standard certifications such as ISO 27001, SOC2, PCI DSS, and FedRAMP, alongside strong encryption practices and secure authentication mechanisms. The security posture is strong, with no evident vulnerabilities or exposed sensitive data. Privacy compliance is well addressed with clear policies and active cookie consent mechanisms. The business demonstrates high credibility through consistent branding, detailed contact information, and numerous trust indicators including customer testimonials and a transparent security framework. Overall, Aircall presents a mature, secure, and user-friendly platform with a strong market presence and technical foundation. Strategic recommendations include enhancing incident response transparency, publishing a vulnerability disclosure policy, and maintaining continuous security audits to uphold trust and compliance.

Scanned

This is an earlier scan of aircall.io. View the latest report

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

3 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 X-Frame-Options header

      Prevents clickjacking attacks

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

    • 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 Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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

Keep watching aircall.io

This scan found 18 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

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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
69
Security headers
30
Email security
82
DNS health
85
Network security
100
GDPR outside view
100
Average
78

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

Aircall occupies a prominent position in the cloud-based telecommunications technology sector, focusing on AI-enhanced business phone systems and call center software. Its competitive advantages include a comprehensive integration ecosystem with over 100 apps, AI-powered features like voice agents and conversation intelligence, and a user-friendly interface that supports remote and distributed teams. The business model is SaaS-based, generating revenue through license subscriptions and add-on services such as AI Assist. Target customers range from small businesses to large enterprises across various industries, with a strong emphasis on sales and customer support teams. Growth indicators include a large customer base (20,000+ companies), continuous product innovation, and strategic partnerships with major CRM and helpdesk providers. The partner ecosystem is robust, offering integration and channel partnership opportunities. The company maintains a consistent brand image and invests in customer education and support, further solidifying its market position.

Security posture

Aircall demonstrates a high level of security maturity, employing multiple industry-standard certifications (ISO 27001, SOC2, PCI DSS, FedRAMP) and adhering to GDPR requirements. Data encryption is implemented both in transit and at rest using TLS 1.2 and AES 256. Authentication mechanisms include Two-Factor Authentication and SAML-based Single Sign-On, enhancing access security. The platform provides secure call recording features with privacy controls. No critical vulnerabilities or exposed sensitive data were detected in the website content. However, the absence of a publicly available incident response contact or vulnerability disclosure policy suggests room for improvement in transparency and readiness. Overall, the security culture appears proactive, with continuous monitoring and support infrastructure in place.

Recommendations

  1. Publish explicit incident response and security contact information on the website.
  2. Implement and publicize a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  3. Regularly audit and update third-party libraries and dependencies to mitigate potential vulnerabilities.
  4. Enhance transparency on data retention policies and user data handling practices.
  5. Continue investing in security certifications and communicate these achievements to build customer trust.

Contact details published on the site

Addresses
Legal name
AIRCALL.IO, INC.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
AIRCALL
Description
AI-powered customer communications platform that unifies channels, automates tasks, and provides insights. Business phone for high-performing teams, integrated with CRM & Helpdesk.
Key services
Virtual call center software, AI Voice Agent, AI Assist, Business phone system, Call center analytics, CRM and Helpdesk integrations
Content quality
excellent
Branding
consistent

Technology

Stack
React (Next.js), Lottie animations, Google Tag Manager, Google Analytics, OneTrust Cookie Consent, Vercel Speed Insights
Frameworks
Next.js
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
90/100
Good practices seen
  • TLS 1.2 and AES 256 encryption in transit and at rest
  • Call recordings with privacy controls
  • Two-Factor Authentication (2FA)
  • SAML Authentication (SSO)
  • Regular security monitoring and incident response
  • GDPR compliance

Analytics and tracking

Services
Google Analytics, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google Ads (AW-851971520)
Marketing tools
OneTrust Cookie Consent
Transparency
good

Site quality

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

Key observations

  1. Comprehensive and well-structured website with rich content about products and services.
  2. Strong emphasis on AI-powered features and integrations with major CRM and helpdesk platforms.
  3. Clear privacy and cookie policies with active consent mechanisms.
  4. Multiple customer testimonials and case studies enhance trust.
  5. Use of modern web technologies and good performance optimizations.
  6. Security practices are robust with industry-standard certifications.
  7. Active social media presence and multiple contact channels available.
Technical notes

Notes

The website is built on a modern, scalable infrastructure using Next.js and React, hosted on AWS and deployed via Vercel, ensuring fast load times and high availability. The use of Lottie animations and responsive design enhances user experience across devices. SEO is well implemented with comprehensive meta tags, Open Graph data, and structured JSON-LD data for organization and site links. Analytics and marketing tools like Google Analytics, Google Tag Manager, and OneTrust for cookie consent are integrated, supporting data-driven decision-making and compliance. Technical risks are minimal, with no visible outdated or vulnerable libraries. The platform benefits from continuous performance monitoring and optimization. Opportunities exist to further improve accessibility features and expand automation in security monitoring.
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

Earlier scans of this domain

  1. 77/100 −1Low26 findingsView report
  2. 78/100Low25 findingsView report
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