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Security report for persollo.com

Persollo · Technology · N/a

Medium risk. 5 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

58/100

Risk levelMedium

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

Persollo is a technology company specializing in AI-powered influencer marketing analytics and instant checkout solutions. Their platform enables brands and agencies to analyze social media accounts across Instagram, TikTok, and YouTube, discover influencers with targeted audiences, and facilitate social media sales with a streamlined one-click checkout process. Positioned as a leading solution in influencer marketing, Persollo targets marketing professionals seeking transparency and efficiency in influencer campaigns. Technically, the website is built on modern frameworks such as React and Semantic UI, with integrations including Stripe for payments and Cloudfront for content delivery. The infrastructure is hosted with DigitalOcean DNS and leverages multiple external services for analytics and social media engagement. The site is mobile-optimized and demonstrates good SEO and accessibility practices, though some improvements in security headers and cookie consent mechanisms are recommended. From a security perspective, the site uses HTTPS with a good SSL configuration and domain registration protections. However, it lacks DNSSEC and explicit security headers, and does not publicly disclose incident response or vulnerability handling policies. Privacy compliance is partially addressed with a comprehensive privacy policy and terms of service, but cookie consent mechanisms are absent. Overall, Persollo presents a professional and trustworthy online presence with a solid business model and technical foundation. Strategic enhancements in security policies, privacy compliance, and transparency would further strengthen their risk posture and customer trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 100 · Medium
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

5 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. 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

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  3. 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 persollo.com

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.

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.

Billed monthly to your card. Cancel anytime. See sample alerts.

Full report

€39.90one-time

  • The complete analysis as a PDF you can cite
  • Email delivery with an unlock code
  • Lifetime access to this report

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
82
Security headers
25
Email security
70
DNS health
80
Network security
40
GDPR outside view
53
Average
58

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

Persollo operates in the influencer marketing technology sector, offering SaaS solutions that combine AI and machine learning to provide detailed analytics, influencer discovery, and instant checkout capabilities. Their competitive advantage lies in the integration of multiple social media platforms and the reduction of sales friction through one-click checkout. The company targets brands and agencies globally, focusing on improving ROI and campaign transparency. Their partnership with HeyLink.me indicates a broader ecosystem approach. The business model is subscription-based with potential revenue from analytics, discovery tools, and transaction fees. Growth indicators include a mature domain age and active social media presence. No parent or subsidiary companies were identified, suggesting an independent operation.

Security posture

The security maturity level of Persollo is moderate. The website enforces HTTPS and domain registration protections, which are positive indicators. However, the absence of DNSSEC and security headers such as Content-Security-Policy and Strict-Transport-Security reduces the overall security posture. No public incident response or vulnerability disclosure policies were found, which may impact readiness for security incidents. Data protection practices appear standard, with a comprehensive privacy policy but lacking cookie consent mechanisms. The use of third-party analytics and tracking pixels introduces moderate user tracking. Overall, the security culture appears functional but could benefit from enhanced transparency and technical controls.

Recommendations

  1. Enable DNSSEC on the domain to protect against DNS spoofing and improve DNS security.
  2. Implement and publish a formal incident response and vulnerability disclosure policy to enhance transparency and preparedness.
  3. Add security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to harden the website against common attacks.
  4. Introduce a cookie consent mechanism to comply fully with GDPR and improve user privacy controls.
  5. Regularly audit third-party scripts and tracking pixels to minimize privacy risks and ensure compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Persollo
Description
Persollo provides AI-powered influencer marketing analytics and instant checkout platform enabling brands and agencies to analyze Instagram, TikTok, and YouTube accounts, discover influencers, and sell on social media with one click.
Key services
Influencer Analytics, Influencer Discovery, Instant Checkout for social media sales
Content quality
good
Branding
consistent

Technology

Stack
React, Semantic UI, Stripe, Cloudfront CDN, DigitalOcean DNS
Frameworks
React
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enabled
  • Domain status includes clientDeleteProhibited, clientRenewProhibited, clientTransferProhibited, clientUpdateProhibited

Analytics and tracking

Services
Facebook Pixel, Twitter Widgets
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Facebook Pixel, Twitter Widgets
Marketing tools
Stripe payment integration
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is business-focused on influencer marketing analytics and sales.
  3. No direct company contact emails or phone numbers found; contact is via form.
  4. Social media presence is strong with official accounts on Twitter, Instagram, LinkedIn, Facebook, and Telegram.
  5. No explicit privacy or security policies beyond standard privacy and terms pages.
  6. No cookie consent mechanism detected despite GDPR compliance claims.
  7. Technical stack is modern with React and Stripe integration.
  8. Security headers are not explicitly detected; DNSSEC is not enabled.
  9. No vulnerability disclosure or incident response information publicly available.
Technical notes

Notes

The website is built using React and Semantic UI, indicating a modern frontend framework with responsive design capabilities. It uses Stripe for payment processing and Cloudfront as a CDN, which supports performance and scalability. DNS is managed via DigitalOcean. The site loads external CSS and JS from reputable CDNs, enhancing load times. Performance is moderate with good mobile optimization. Accessibility is basic but could be improved. SEO is well addressed with proper meta tags and Open Graph data. No CMS was detected, suggesting a custom or headless architecture. Technical risks include missing DNSSEC and security headers, which should be addressed to reduce attack surface.
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. 64/100Medium25 findings · partial scanView report
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