Is hello.cz Safe? Security Analysis for Jazyková škola Hello
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
Jazyková škola Hello is an established Czech language school operating since 1996, offering a wide range of language courses, exam preparation, and related educational services. It holds accreditations from reputable institutions such as Cambridge ESOL and Goethe Institut, positioning itself as a trusted provider in the education sector with branches in Ostrava, Brno, and Opava. The website reflects a medium-sized educational business targeting students, children, adults, companies, and seniors with diverse language learning needs. Technically, the website is built on ASP.NET Web Forms with legacy jQuery 1.6.1 and custom JavaScript. It uses HTTPS and includes standard web forms with proper hidden fields for state management. However, it lacks modern security headers and uses an outdated JavaScript library, which could pose security risks. The site has moderate performance and basic mobile optimization, with good SEO practices evident in meta tags and structured navigation. From a security perspective, the site benefits from HTTPS but lacks explicit privacy and cookie policies, consent mechanisms, and security.txt or vulnerability disclosure information. The absence of WHOIS data reduces domain trustworthiness, although the business presence and partner affiliations support legitimacy. Tracking via Google Tag Manager and imedia.cz retargeting scripts indicates moderate user tracking without clear privacy compliance disclosures. Overall, the website is professional and trustworthy for its educational purpose but would benefit from enhanced security practices, updated technologies, and improved privacy compliance to strengthen its risk posture and user trust.
Detected Technologies
13 urgent findings need attention
1 critical · 12 high
- + 5 more findings in the full report below
Keep hello.cz under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
5 findings
45/100
GDPR Compliance
5 findings
10/100
NIS2 Compliance
9 findings
2/100
Email Security
3 findings
82/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Jazyková škola Hello operates in the Czech education sector, focusing on language instruction and certification preparation. Its competitive advantage lies in its accreditations with Cambridge and Goethe Institut, a broad course offering, and a multi-branch presence. The business model is service-oriented, generating revenue from course fees, exam preparation, and related educational services. Target customers include individuals of all ages and corporate clients. The company maintains partnerships with recognized certification bodies and offers additional educational institutions as subsidiaries, enhancing its ecosystem. Growth indicators include a large number of students served and diversified course formats including online options. Strategic observations suggest opportunities in digital modernization and enhanced privacy compliance to meet evolving regulatory demands.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security maturity level with HTTPS enabled and secure form handling. However, the use of an outdated jQuery version and absence of security headers such as Content-Security-Policy and X-Frame-Options expose potential vulnerabilities. There is no visible incident response or vulnerability disclosure information, and privacy compliance is minimal with no explicit cookie or privacy policies. Data protection practices are basic, with contact information available but no dedicated security or privacy contacts. The security culture appears limited to foundational measures without advanced protections or transparency. Compliance gaps with GDPR and other regulations are evident, suggesting a need for policy updates and enhanced user consent mechanisms.
Strategic Recommendations
Priority Actions for Security Improvement
Upgrade jQuery and other JavaScript libraries to current secure versions to mitigate known vulnerabilities.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Jazyková škola Hello
Akreditovaná jazyková škola. Nabízíme jazykové kurzy pro firmy a veřejnost: skupinové, individuální a intenzivní - angličtina, němčina, francouzština, španělština, ruština, italština aj. Příprava k jazykovým certifikátům pro děti i dospělé. Jazyková škola je akreditovaným centrem pro zkoušky z angličtiny Cambridge ESOL English Exams (YLE, KET, PET, FCE, CAE, CPE, BEC, ICFE, ILEC) a z němčiny Goethe Institut (Fit, SD, ZD, B2, C1). Pomaturitní studium. Překlady a tlumočení. Jazykový audit. Pobočky: Ostrava, Brno a Opava.
good
consistent
Technical Stack
moderate
basic
basic
good
Security Assessment
- HTTPS enabled
- secure form with __VIEWSTATE and __EVENTVALIDATION hidden fields
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Facebook, LinkedIn, YouTube
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: transport
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
No DMARC reporting
LOWDMARC aggregate reports not configured
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DKIM Selectors Found
DMARC Details
MTA-STS Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
Mixed Content Detected
MEDIUM13 resources loaded over insecure HTTP
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does hello.cz compare?
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🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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PDF Report & Export
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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