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Security report for avast.com

Avast · Technology · Finland

Low risk. 1 critical or high finding in Security headers.

Security score

88/100

Risk levelLow

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

Avast is a well-established cybersecurity company offering a range of consumer-focused security and privacy products including free antivirus software, VPN services, and performance optimization tools. The website is professionally designed, localized in Finnish, and targets consumers seeking comprehensive digital protection. The company holds reputable industry awards and maintains a strong market presence with millions of users worldwide. Technically, the website employs modern web technologies, including Google Tag Manager, Adobe DTM, and OneTrust for cookie consent, hosted likely on Akamai CDN, ensuring fast performance and good accessibility. Security posture is strong with HTTPS enforced and multiple security headers implemented, although explicit security policies and incident response contacts are not found on the site. Privacy compliance is robust with GDPR-aligned cookie consent mechanisms and a comprehensive privacy policy. WHOIS data is unavailable, likely due to privacy protection, which slightly reduces transparency but does not detract from the site's legitimacy. Overall, Avast's website demonstrates high professionalism, security awareness, and user trustworthiness.

Scanned

This is an earlier scan of avast.com. View the latest report

NIS2 and GDPR posture

GDPR outside view
88/ 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

1 finding 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';…

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Keep watching avast.com

This scan found 11 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
100
Security headers
65
Email security
87
DNS health
85
Network security
100
GDPR outside view
88
Average
88

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 avast.com, from OffSeq Breach.

Total records
239,993
Employees
55
Customers
239,820
Third parties
118
Weak passwords
13%

Latest record dated 2026-06-12 · 208 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 avast.com.

Select it in the checkout above.

Masked preview

  • –id.avast.com2026-06-12
  • –id.avast.com2026-05-28
  • –butr.avast.com2026-05-26
  • –id.avast.com2026-05-20
  • –profile.avast.com2026-05-15

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

Open in Breach(opens in a new tab)Monitor on Breach(opens in a new tab)

Technical appendix

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

Business context

Business profile

Avast operates in the technology sector, focusing on cybersecurity solutions for consumers. Its business model includes offering free antivirus software with premium paid upgrades, VPN services, and privacy tools. The company targets a broad consumer base across multiple platforms including Windows, Mac, Android, and iOS. Avast leverages partnerships and maintains an ecosystem including press and community forums. The website content and structure support clear navigation and product discovery, enhancing user engagement and conversion. The presence of awards and customer reviews further strengthens market positioning and brand trust. No direct contact details are provided on the main page, possibly directing users to support portals or account management services.

Security posture

The website enforces HTTPS with strong SSL/TLS configuration and implements key security headers such as Content-Security-Policy, Strict-Transport-Security, and X-Frame-Options, indicating a mature security posture. No vulnerabilities or exposed sensitive data were detected in the HTML content. The site uses cookie consent tools compliant with GDPR, enhancing privacy protection. However, the absence of explicit security policies, incident response information, or security contact channels is a gap that could be addressed to improve transparency and readiness. No signs of WAF or blocking mechanisms were found, indicating open accessibility. Overall, the security posture is strong but could benefit from enhanced communication of security governance.

Recommendations

  1. Publish a dedicated security policy page detailing security governance and controls.
  2. Provide clear incident response contact information such as security@ or abuse@ email addresses.
  3. Implement and publish a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  4. Enhance transparency by including company contact details or support channels on the main site.
  5. Maintain and regularly update privacy and cookie policies to reflect evolving regulations.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Avast
Description
Avast provides free antivirus and VPN software for PC, Mac, Android, and iOS devices, targeting consumers seeking cybersecurity and privacy protection.
Key services
Free Antivirus, Premium Security, VPN (SecureLine VPN), AntiTrack, Secure Browser, Cleanup Premium, Driver Updater, BreachGuard
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, Google Tag Manager, Adobe DTM, OneTrust Cookie Consent, Norton Analytics, Akamai CDN
Frameworks
Adobe DTM
Platforms
Windows, Mac, Android, iOS
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML
  • Use of security headers

Analytics and tracking

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

Advertising

Ad networks
Upsellit
Tracking pixels
Adobe DTM, Norton Analytics
Marketing tools
OneTrust Cookie Consent, Adobe DTM
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 in Finnish language.
  2. Strong presence of privacy and cookie consent mechanisms compliant with GDPR.
  3. Multiple security and privacy products offered targeting consumers.
  4. Use of modern web technologies and analytics tools.
  5. No direct contact emails or phone numbers found on the main page.
  6. WHOIS data unavailable, likely due to privacy protection or registry policies.
  7. High trust signals from awards and customer reviews.
  8. No signs of WAF or content blocking.
Technical notes

Notes

The website uses a modern technology stack including JavaScript frameworks, Google Tag Manager for analytics, Adobe Dynamic Tag Management for marketing tags, and OneTrust for cookie consent management. Hosting appears to be via Akamai CDN, supporting fast content delivery and global reach. The site is mobile-optimized with responsive design and accessibility features such as skip links and ARIA roles. SEO is supported by proper meta tags, Open Graph tags, and canonical URLs. No CMS was explicitly detected, suggesting a custom or proprietary platform. Performance is fast with asynchronous loading of scripts and optimized assets. Technical risks are minimal, but continuous monitoring of third-party scripts and dependencies is recommended to avoid vulnerabilities.
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. 88/100Low19 findingsView report
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