Adrez Group a.s. operates a hospitality business specializing in vacation apartments and boutique hotels located in the heart of Prague. The company offers a modern online booking system with contactless check-in and 24/7 customer support, targeting travelers seeking comfortable city-center accommodations. Their market position is supported by multiple properties and positive customer reviews, positioning them as a reputable local hospitality provider.
Technically, the website employs a mature technology stack including jQuery, Google Analytics, Facebook Pixel, and a third-party booking engine (Mews). The site is mobile-optimized with good SEO practices and interactive features, though some improvements in accessibility and security headers could enhance the technical posture.
Security-wise, the site enforces HTTPS and includes cookie consent mechanisms aligned with GDPR. However, the absence of explicit security policies, incident response contacts, and vulnerability disclosure pages indicates room for improvement in security transparency and readiness. No critical vulnerabilities or exposed sensitive data were detected.
Overall, the website presents a professional, trustworthy front with moderate technical sophistication and good privacy compliance. The lack of WHOIS data transparency slightly reduces trust but is mitigated by consistent business information and active social media presence. Strategic enhancements in security policies and technical headers would further strengthen their security posture.
Scanned ·
NIS2 and GDPR posture
GDPR outside view
68/ 100 · Medium
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
6 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 Strict-Transport-Security header
Forces HTTPS connections
What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"
This scan found 26 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.
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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
52
Security headers
30
Email security
70
DNS health
60
Network security
20
GDPR outside view
68
Average
50
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 adrezliving.com, from OffSeq Breach.
No leaked records found
Breach holds no records for adrezliving.com 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
Adrez Group a.s. targets the hospitality sector in Prague, focusing on short-term vacation rentals and boutique hotels. Their competitive advantage lies in prime city-center locations, a seamless online booking experience, and 24/7 customer support. Revenue streams likely include direct bookings via their website and partnerships with booking platforms. The company maintains a strong digital presence with active social media channels and customer reviews, indicating engagement with their target audience. The use of a third-party booking engine suggests a scalable approach to property management. Growth indicators include multiple properties and a comprehensive blog offering local insights, enhancing customer engagement and SEO. Partnerships with technology providers like Virtual Zoom and Mews support their operational infrastructure.
Security posture
The website demonstrates a moderate security maturity level with enforced HTTPS and cookie consent aligned with GDPR. The use of third-party scripts and tracking pixels is transparent, but the absence of security headers such as Content Security Policy, HSTS, and X-Frame-Options is a gap. No security.txt or vulnerability disclosure mechanisms are present, limiting external security communication. Incident response contacts are not published, which could delay handling of security incidents. Data protection practices appear adequate for the hospitality sector, but formal security policies and certifications are not evident. Overall, the security posture is functional but could benefit from enhanced transparency, policy publication, and technical hardening.
Recommendations
Implement comprehensive HTTP security headers including CSP, HSTS, and X-Frame-Options to mitigate common web attacks.
Publish a security policy and incident response contact information to improve transparency and readiness.
Establish a vulnerability disclosure program with a security.txt file to encourage responsible reporting.
Regularly audit and update third-party scripts to minimize risks from external dependencies.
Enhance accessibility features to improve compliance and user experience for all visitors.
Automated reading of the public site. Ratings are indicative.
Business
Company
Adrez Group a.s.
Description
Prague Residences provides vacation apartments for short-term rental in Prague. Adrez offers city center locations and a modern online registration system for fully equipped apartments with 24/7 customer support.
Key services
Vacation apartment rentals, Boutique hotel stays, Online registration and booking, Contactless check-in, 24/7 customer support
Content quality
good
Branding
consistent
Technology
Stack
jQuery, jQuery UI, Google Analytics, Google Tag Manager, Facebook Pixel, Mews Booking Engine, Fancybox, Owl Carousel, Cookie Manager by Virtual Zoom
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good
Security
Observed score
80/100
Good practices seen
HTTPS enforced
Cookie consent mechanism implemented
No exposed sensitive data in HTML
Use of secure booking engine iframe
Analytics and tracking
Services
Google Analytics, Google Tag Manager, Facebook Pixel
Tracking level
moderate
Privacy practices
good
Advertising
Tracking pixels
Facebook Pixel
Marketing tools
Facebook Pixel
Transparency
good
Site quality
Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
high
Key observations
Website is fully accessible with rich content and interactive booking features.
Strong presence of privacy and cookie policies with consent mechanisms.
Multiple social media channels linked and active.
Use of modern JavaScript libraries and third-party booking engine.
No signs of malicious or suspicious content.
WHOIS data unavailable, which slightly impacts trust but not critical given other trust signals.
Technical notes
Notes
The website uses a combination of jQuery libraries, UI components, and third-party integrations such as Mews booking engine and Virtual Zoom cookie manager. It employs Google Analytics, Google Tag Manager, and Facebook Pixel for analytics and marketing. The site is mobile responsive with a modern design and interactive elements like sliders and date pickers. Performance is moderate, with potential improvements in loading speed and accessibility. No CMS is explicitly detected, suggesting a custom or proprietary platform. Hosting provider details are not disclosed. The technical stack is stable but could be modernized with newer frameworks and enhanced security configurations.
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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