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Security report for dev.events

Technology · N/a

Medium risk. 9 critical or high findings in Email security, SSL/TLS and 2 other checks.

Security score

63/100

Risk levelMedium

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

The website dev.events is a curated platform dedicated to listing developer conferences, meetups, and hackathons for the years 2025 and 2026. It targets software developers, tech leads, and IT professionals globally, providing detailed event information, filtering options, and calendar integration. The platform positions itself as an ad-free, community-curated resource, emphasizing quality and relevance in the technology event space. Technically, the site employs modern frontend technologies such as htmx, Alpine.js, Flatpickr, and Choices.js, ensuring a fast, mobile-optimized, and accessible user experience. Structured data in JSON-LD format enhances SEO and event discoverability. Security-wise, the site uses HTTPS and loads scripts from trusted CDNs, but lacks explicit security headers and documented security policies. Privacy compliance is limited, with no visible privacy or cookie policies, which presents a compliance gap. Overall, the site is professional, trustworthy, and focused on delivering valuable content to its audience.

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

    • High

      No SPF record found

      SPF helps prevent email spoofing

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

  2. 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 SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048
  3. 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 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 dev.events

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

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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
55
Email security
40
DNS health
70
Network security
100
GDPR outside view
35
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 dev.events, from OffSeq Breach.

Total records
1
Employees
0
Customers
1
Third parties
0
Weak passwords
0%

1 subdomain 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 dev.events.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Dev.events operates as a niche content curation platform within the technology sector, focusing on developer events worldwide. Its business model likely revolves around event promotion and sponsorships rather than direct sales. The platform's competitive advantage lies in its comprehensive, ad-free, and community-driven approach. The absence of explicit company or contact information suggests a small or individual-run operation. The site maintains a clean and consistent brand identity, leveraging social media (Twitter) for outreach. Growth potential exists through expanding event categories and partnerships. The technical infrastructure supports scalability and user engagement through modern web technologies.

Security posture

The website demonstrates a moderate security posture with mandatory HTTPS and no visible exposure of sensitive data. However, it lacks several best practices such as security headers (CSP, X-Frame-Options), a published security policy, incident response contacts, and vulnerability disclosure mechanisms. The absence of privacy and cookie policies also indicates potential compliance risks under GDPR and similar regulations. No known vulnerabilities or malicious content were detected in the analyzed HTML. The site would benefit from enhanced security documentation and technical controls to improve trust and compliance.

Recommendations

  1. Implement and publish comprehensive privacy and cookie policies to ensure GDPR and privacy compliance.
  2. Add security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
  3. Establish and disclose a security policy and incident response contact information to improve transparency and readiness.
  4. Introduce a vulnerability disclosure policy or security.txt file to encourage responsible reporting of security issues.
  5. Enhance contact information availability to improve business credibility and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Developer conferences 2025 / 2026 listing website providing curated information about upcoming developer conferences, meetups, and hackathons worldwide.
Key services
Listing developer conferences, Listing meetups, Listing hackathons, Event calendar and filtering, Event details and calendar integration
Content quality
excellent
Branding
consistent

Technology

Stack
htmx, Alpine.js, Flatpickr, Choices.js, Google Fonts, Cloudinary (image hosting)
Frameworks
htmx, Alpine.js
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Content Security Policy not explicitly detected but scripts loaded from trusted CDNs
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is a well-designed, curated listing platform for developer events worldwide.
  2. No privacy, cookie, or terms of service policies found, which is a compliance gap.
  3. No explicit contact information or security policies disclosed.
  4. Uses modern frontend technologies and structured data for SEO.
  5. No signs of malicious or suspicious content.
  6. No advertising or tracking scripts detected, indicating privacy-conscious design.
Technical notes

Notes

The website is built on a custom platform utilizing modern JavaScript libraries and frameworks including htmx for dynamic content loading, Alpine.js for reactive UI components, Flatpickr for date selection, and Choices.js for enhanced select inputs. It uses Google Fonts for typography and Cloudinary for image hosting. The site is well-structured with semantic HTML and includes JSON-LD structured data for SEO. Performance is optimized with deferred script loading and minimal blocking resources. Mobile responsiveness and accessibility are well addressed. No CMS or third-party analytics were detected, indicating a lightweight and privacy-conscious implementation. Opportunities exist to add security headers and improve compliance documentation.
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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