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Security report for personio.ch

Personio · Technology · Switzerland

Low risk. 4 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

76/100

Risk levelLow

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

Personio is a Switzerland-based enterprise-level SaaS company specializing in HR management and recruiting software. The website presents a professional and consistent brand image targeting HR professionals and businesses across multiple European countries. The company offers a comprehensive HR platform that includes leave management, payroll, and applicant tracking, positioning itself as a key player in the HR technology market. Technically, the website is built on modern frameworks such as Next.js and React, with integrations for cookie consent management and marketing analytics tools like Usercentrics and Visual Website Optimizer. The site demonstrates good performance and mobile optimization, although accessibility features could be improved. Security posture is solid with HTTPS enforced and cookie consent implemented, but lacks visible security policies or incident response information. Privacy compliance is partially addressed with cookie consent but no explicit privacy policy or terms of service links were found in the analyzed content. Overall, the domain registration data aligns well with the business claims, indicating legitimacy and trustworthiness.

Scanned

NIS2 and GDPR posture

GDPR outside view
85/ 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

4 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"

  2. GDPR outside view

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

    • 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. 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.

    • High

      No SPF record found

      SPF helps prevent email spoofing

      What to do: Add SPF record: "v=spf1 include:_spf.yourmailprovider.com ~all"

  4. 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 personio.ch

This scan found 18 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.

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Full report

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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
72
Security headers
65
Email security
50
DNS health
85
Network security
100
GDPR outside view
85
Average
76

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

Personio operates in the HR technology sector with a SaaS business model, serving enterprise clients primarily in Switzerland and Europe. The company leverages multi-language domains to localize its offerings. Its competitive advantage lies in providing an all-in-one HR platform that simplifies HR processes. The website's use of structured data and professional design supports strong market positioning. The absence of explicit contact information or legal documents on the homepage suggests these may be located deeper in the site or require further inspection. The marketing ecosystem includes advanced tracking and optimization tools, indicating a mature digital marketing strategy.

Security posture

The website enforces HTTPS and employs cookie consent mechanisms compliant with GDPR requirements. It uses reputable third-party services for analytics and optimization, such as Google Tag Manager and VWO. However, the lack of visible security policies, incident response contacts, or vulnerability disclosure programs limits transparency and may impact user trust. No critical vulnerabilities or exposed sensitive data were detected in the analyzed content. Security headers were not explicitly identified, suggesting room for improvement in HTTP security configurations. Overall, the security posture is good but could be enhanced by publishing formal security documentation and improving header configurations.

Recommendations

  1. Publish a clear and accessible privacy policy and terms of service linked prominently on the website.
  2. Add a dedicated security policy page including incident response contact information.
  3. Implement and publish a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  4. Enhance HTTP security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  5. Improve website accessibility features to meet recognized standards and enhance user experience.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Personio
Description
Effiziente Software für HR Management und Recruiting - individuell anpassbar. Verwalten Sie Urlaub, Gehälter und Bewerber in nur einem Tool. Jetzt testen!
Key services
HR Management Software, Recruiting Software, Leave Management, Payroll Management, Applicant Tracking
Content quality
good
Branding
consistent

Technology

Stack
Next.js, React, Usercentrics CMP, Visual Website Optimizer (VWO), Google Tag Manager, Google Consent Mode
Frameworks
Next.js, React
Performance
fast
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent management
  • Use of Google Consent Mode

Analytics and tracking

Services
Google Analytics (via GTM), Visual Website Optimizer
Tracking level
moderate
Privacy practices
basic

Advertising

Ad networks
Google Adsense
Tracking pixels
Visual Website Optimizer (VWO)
Marketing tools
Usercentrics CMP, Google Consent Mode, VWO
Transparency
good

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 challenge
  2. Professional HR software company targeting Swiss and European markets
  3. Strong use of modern web technologies and marketing tools
  4. Cookie consent and GDPR compliance mechanisms implemented
  5. No visible contact information or privacy policy links on homepage HTML
  6. No explicit security policy or incident response information found
  7. No vulnerability disclosure or security.txt detected
  8. No suspicious or malicious content detected
Technical notes

Notes

The website is built using Next.js and React, indicating a modern and scalable frontend architecture. It integrates Usercentrics for cookie consent management and Visual Website Optimizer for A/B testing and visitor behavior analysis. Google Tag Manager and Google Consent Mode are used for analytics and compliance. The site loads fonts and CSS efficiently and preconnects to key third-party domains to optimize performance. Mobile optimization is good, and SEO meta tags including Open Graph and JSON-LD structured data are properly implemented. No CMS was detected, suggesting a custom or headless approach. Hosting provider details were not explicitly found. Overall, the technical infrastructure is robust and supports a professional digital presence.
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. 79/100Low24 findingsView report
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