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Security report for onstream.so

OnStream · Media · N/a

Medium risk. 9 critical or high findings in Email security, Security headers and 2 other checks.

Security score

60/100

Risk levelMedium

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

OnStream is a small media streaming service offering free movies and TV shows primarily through Android APK downloads. The platform aggregates content from popular sources like YouTube and Twitch, providing users with free, no-registration streaming and download options. The website is designed with a modern but basic tech stack including Bootstrap and jQuery, optimized for mobile and desktop via Android emulators. However, the site lacks critical privacy and security policies, and the APK downloads are hosted on a third-party domain, which may pose security risks. Contact options are limited to a Telegram link, with no official email or phone contacts provided. Overall, the business model appears to rely on free content distribution with potential monetization through affiliate or ad networks, though no explicit advertising or tracking is detected.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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

9 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

  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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • 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';…

  3. GDPR outside view

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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

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

Keep watching onstream.so

This scan found 24 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
15
Email security
60
DNS health
75
Network security
100
GDPR outside view
35
Average
60

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 company positions itself as a free streaming app targeting general audiences seeking easy access to movies and TV shows without registration. Its competitive advantage lies in multi-server options, subtitle support, and offline downloads. The lack of clear company registration, privacy policies, and security disclosures limits its credibility. The use of privacy-protected WHOIS and third-party download hosts suggests a cautious approach to transparency, common in free streaming services. Growth potential depends on improving trust signals and compliance with privacy regulations.

Security posture

The website uses HTTPS but lacks essential security headers such as Content-Security-Policy and HSTS, which are important for mitigating common web attacks. No vulnerability disclosure or incident response information is provided, and no secure contact channels for security issues are visible. The use of third-party domains for APK downloads introduces potential supply chain risks. Overall, the security posture is basic and requires improvements to protect users and enhance trust.

Recommendations

  1. Implement and publish a comprehensive privacy policy and cookie policy with consent mechanisms.
  2. Add security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  3. Host APK files on official or verified domains to reduce risk of malicious downloads.
  4. Provide clear contact information including email and phone for support and security incidents.
  5. Establish a vulnerability disclosure policy or security.txt file to improve security transparency.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
OnStream
Description
OnStream is a free app for movies and TV shows that allows users to watch unlimited free content without registration. It aggregates content from platforms like YouTube, Twitch, and Live TV channels, offering streaming and download options for Android devices and Android TV.
Key services
Free streaming of movies and TV shows, Multiple server options including Torrent, Download for offline viewing, Multi-subtitle support, Custom favorite lists
Content quality
good
Branding
consistent

Technology

Stack
Bootstrap 4.1.3, FontAwesome 5.3.1, jQuery 3.3.1
Platforms
Android (APK distribution), Android TV, PC via Android emulator
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
50/100
Good practices seen
  • HTTPS enabled

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website content is fully accessible with no blocking or WAF detected.
  2. No privacy, cookie, or terms of service policies found on the site.
  3. Contact is limited to a Telegram link and a modal contact form without email or phone.
  4. No security policies or incident response information provided.
  5. APK downloads are provided via third-party domain which may pose risk.
  6. No analytics or tracking scripts detected, indicating minimal user tracking.
  7. Website uses HTTPS but lacks advanced security headers.
  8. Content is focused on free streaming of movies and TV shows without adult content.
  9. Technical stack is basic but modern with Bootstrap and jQuery.
  10. No explicit business registration or company details found.
Technical notes

Notes

The website is built on a simple but modern front-end stack using Bootstrap 4.1.3, FontAwesome 5.3.1, and jQuery 3.3.1. It supports Android and Android TV platforms with APK downloads and offers instructions for PC use via emulators. Performance is moderate with basic SEO and accessibility features. The site lacks advanced CMS or backend technology indicators. Hosting provider details are not disclosed. The use of third-party domains for downloads is a technical risk. Overall, the technical implementation is functional but could benefit from modernization and enhanced security controls.
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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