Rakuten Advertising's developer portal at rakutenadvertising.io provides resources and SDK documentation for mobile attribution services, targeting developers and advertisers. The site is part of the larger Rakuten Advertising ecosystem, a recognized player in digital advertising technology. The technical infrastructure leverages modern web frameworks such as Next.js and Material-UI, with integration of Google Tag Manager for analytics. The site is well-designed, mobile-optimized, and provides clear navigation to key developer resources. Security posture is moderate with HTTPS enforced and domain registration protections, but lacks advanced security headers and published security policies. Privacy compliance is weak due to absence of privacy and cookie policies. Overall, the site is professional and trustworthy but would benefit from enhanced privacy and security disclosures.
Scanned ·
NIS2 and GDPR posture
GDPR outside view
35/ 100 · High
Checks completed
7of 7
NIS2 Art. 21(2)
a(a) Risk analysis and security policies: Not visible from outside
b(b) Incident handling: One indicator
c(c) Business continuity, backups and crisis management: Not visible from outside
d(d) Supply chain security: Not visible from outside
e(e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
f(f) Assessing the effectiveness of security measures: Not visible from outside
g(g) Cyber hygiene and security training: Not visible from outside
h(h) Cryptography and encryption: Partly checked
i(i) HR security, access control and asset management: One indicator
j(j) Multi-factor authentication and secured communications: Not visible from outside
Partly checked
One indicator
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
7 findings rated critical or high. Fix these first.
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"
This scan found 22 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
€25per month
TLS certificates and expiry
DNS records
SPF, DKIM and DMARC
Security headers
GDPR and NIS2 posture
Exposed services
Third-party trackers
Security score drift
Email alerts on material changes and an exportable JSON history of every change.
Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.
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
77
Security headers
30
Email security
70
DNS health
85
Network security
100
GDPR outside view
35
Average
66
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 rakutenadvertising.io, from OffSeq Breach.
No leaked records found
Breach holds no records for rakutenadvertising.io right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.
Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.
Business context
Business profile
Rakuten Advertising operates in the technology sector focusing on advertising attribution solutions. The business model is B2B, providing SDKs and developer tools to app developers and advertisers for tracking and analytics. The company leverages its brand and parent company reputation to maintain market position. The site links to official GitHub repositories, indicating active developer engagement. No direct contact information or detailed business registration data is published on the site, which is typical for developer portals. The domain age and registration details align with a legitimate corporate subdomain. The partnership ecosystem includes the parent Rakuten Advertising domain.
Security posture
The website demonstrates a baseline security posture with HTTPS enabled and domain registration locks in place. However, it lacks visible security headers such as Content-Security-Policy and Strict-Transport-Security, which are recommended best practices. No security or incident response policies are published, and no vulnerability disclosure or security.txt files are present. The absence of privacy and cookie policies indicates compliance gaps with GDPR and related regulations. No exposed sensitive data or vulnerable libraries were detected. Overall, the security maturity is moderate but could be improved with additional policies and technical controls.
Recommendations
Implement and publish comprehensive privacy and cookie policies with GDPR compliance and consent mechanisms.
Add security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to enhance protection.
Publish a security policy and incident response contact information to improve transparency and readiness.
Enable DNSSEC to strengthen DNS security and prevent spoofing.
Provide clear contact information for business and security inquiries to improve trust and compliance.
Site observations
Automated reading of the public site. Ratings are indicative.
Business
Company
Rakuten Advertising
Description
Rakuten Advertising provides attribution SDKs and developer resources for mobile app attribution and analytics.
Key services
iOS Attribution SDK, Android Attribution SDK, Developer documentation and SDK support
Content quality
good
Branding
consistent
Technology
Stack
React, Next.js, Material-UI, Google Tag Manager
Frameworks
Next.js, Material-UI
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic
Security
Observed score
75/100
Good practices seen
HTTPS enforced (implied by URL)
Domain status includes clientDeleteProhibited and related EPP locks
Analytics and tracking
Services
Google Tag Manager
Tracking level
moderate
Privacy practices
poor
Advertising
Transparency
basic
Site quality
Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
high
Key observations
Website is a developer portal for Rakuten Advertising's attribution SDKs
No privacy, cookie, or terms of service policies found on the main site
No contact emails or phone numbers explicitly listed
Uses modern web technologies and frameworks
No security.txt or vulnerability disclosure information present
No forms detected on the main page
External links primarily to GitHub and Rakuten Advertising main site
No social media links detected in the HTML content
Technical notes
Notes
The website is built using modern JavaScript frameworks Next.js and Material-UI, ensuring responsive design and good user experience. Google Tag Manager is used for analytics and tracking. The site is statically exported, which can improve performance and security. DNS is managed via NS1 name servers, but DNSSEC is not enabled. No CMS is detected, indicating a custom or framework-based site. Performance is moderate with multiple preloaded scripts and styles. Accessibility is basic but could be enhanced. SEO optimization is minimal with basic meta tags but no Open Graph or JSON-LD structured data present. Overall, the technical implementation is solid but has room for improvement in SEO and security features.
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.
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