Skip to main content

Security report for tnnet.fi

TNNet Oy · Technology · Finland

Medium risk. 7 critical or high findings in GDPR outside view and Security headers.

Security score

63/100

Risk levelMedium

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

TNNet Oy is a Finnish IT infrastructure company established in 2002, providing a broad range of IT services including networking, cloud solutions, virtual servers, IT support, and security services. The company positions itself as a reliable partner offering transparent pricing and high-quality, scalable IT infrastructure solutions tailored for businesses. Their market presence is supported by a strong client base and ISO 27001 certification, underscoring their commitment to security and quality. Technically, the website is built on WordPress with modern technologies such as jQuery, Google Tag Manager, Facebook Pixel, and Smartlook for analytics and user behavior tracking, all implemented with GDPR-compliant consent mechanisms. The site is well-optimized for performance, mobile responsiveness, and accessibility, reflecting a mature digital infrastructure. From a security perspective, TNNet demonstrates strong practices including HTTPS enforcement, DNSSEC for domain security, and ISO 27001 certification. While no explicit security policy or incident response page is found, the overall posture is robust with no visible vulnerabilities or exposed sensitive data. Privacy compliance is well addressed with clear privacy and cookie policies. Overall, TNNet Oy presents a low-risk profile with a professional online presence, strong business credibility, and adherence to security and privacy best practices. Strategic recommendations include publishing dedicated security and incident response policies and enhancing security headers to further strengthen their security posture.

Scanned

NIS2 and GDPR posture

GDPR outside view
25/ 100 · Critical
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

7 findings rated critical or high. Fix these first.

  1. GDPR outside view

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

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • 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

  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';…

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

Keep watching tnnet.fi

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.

Billed monthly to your card. Cancel anytime. The full timeline opens with your unlock code.

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
90
Security headers
15
Email security
70
DNS health
75
Network security
100
GDPR outside view
25
Average
63

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 tnnet.fi, from OffSeq Breach.

Total records
13
Employees
0
Customers
6
Third parties
7
Weak passwords
15%

2 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 tnnet.fi.

Select it in the checkout above.

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

TNNet Oy operates in the Finnish technology sector, focusing on IT infrastructure services for businesses. Their competitive advantage lies in transparent pricing, personalized service, and a comprehensive service portfolio covering networking, cloud, security, and support. The company targets SMEs and medium-sized enterprises seeking reliable IT partners. Their revenue streams likely include service contracts, cloud hosting, and managed IT services. The presence of client logos and case studies indicates a well-established partnership ecosystem. The company’s growth is supported by continuous ISO 27001 certification and active content marketing through blogs and case stories, enhancing market visibility and trust.

Security posture

TNNet Oy exhibits a mature security posture with ISO 27001 certification, DNSSEC-enabled domain, and HTTPS enforcement. The website does not expose sensitive information and uses consent-based tracking scripts. However, the absence of a public security policy or incident response information is a gap. No vulnerability disclosures or security.txt files are present, which could improve transparency and incident handling readiness. The company appears compliant with GDPR and maintains good data protection practices. Overall, the security culture is strong but could benefit from enhanced public documentation and security headers.

Recommendations

  1. Publish a dedicated security policy and incident response page to improve transparency and customer trust.
  2. Implement and publicly disclose a vulnerability disclosure program or security.txt file.
  3. Enhance HTTP security headers such as Content-Security-Policy and X-Content-Type-Options.
  4. Provide contact details for a Data Protection Officer or security contact to facilitate communication.
  5. Regularly audit third-party scripts and tracking tools to ensure ongoing security and privacy compliance.

Contact details published on the site

Addresses
Legal name
TNNet Oy
Registration number
0752911-8
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
TNNet Oy
Description
Laitamme IT-infran toimimaan ilman turhia piilokuluja. TNNet on avain laadukkaisiin ratkaisuihin ja ripeään henkilökohtaiseen palveluun.
Key services
Tietoliikenne, SD-WAN, Virtuaalipalvelin, IT-tukipalvelu, Yksityinen pilvi, Konesalipalvelut, Palomuuri, Varmistuspalvelu, Tietoturvapalvelut, Webhotelli
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress, jQuery, Google Tag Manager, Facebook Pixel, Smartlook
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • DNSSEC signed domain
  • No exposed sensitive data in HTML
  • Use of security and tracking scripts with consent

Analytics and tracking

Services
Google Analytics (via GTM), Smartlook
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Facebook Pixel, Smartlook
Marketing tools
Cookiebot, Smartlook
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 and no blocking mechanisms
  2. Strong compliance with GDPR and cookie consent regulations
  3. Clear and comprehensive contact information and business details
  4. Use of modern web technologies and tracking with consent
  5. Presence of ISO 27001 certification indicates strong security posture
  6. No signs of suspicious or malicious activity detected
Technical notes

Notes

The website is built on a modern WordPress CMS platform, leveraging jQuery and various third-party analytics and marketing tools such as Google Tag Manager, Facebook Pixel, and Smartlook. The site is well-structured with proper meta tags, Open Graph, and JSON-LD structured data for SEO and social media integration. Performance is optimized with responsive images and preloading fonts. Accessibility and mobile optimization are excellent, ensuring a broad user reach. Hosting details are not explicit but the site uses HTTPS and DNSSEC, indicating a secure hosting environment. The technical stack is mature and well-maintained, supporting the company’s business goals effectively.
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

Reviews of this site

Share your experience with tnnet.fi. Every review is verified by email and published after moderation.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

No published reviews yet. Be the first to review tnnet.fi.

Feedback on this report

Rate this report, add an optional comment, and tell us if you want a security specialist to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.