Is tandem-schools.com Safe? Security Analysis for TANDEM Language Schools
Check if tandem-schools.com is a scam or legitimate. Free security scan and reviews.

AI Summary
TANDEM Language Schools is a non-profit association of independent language schools offering German and Spanish courses primarily in Germany, Spain, and Chile. The organization focuses on immersive language learning combined with cultural experiences, targeting language learners interested in these regions. The website is built on TYPO3 CMS and hosted by Hetzner Online GmbH, reflecting a moderate level of digital maturity with a clean, professional design and multilingual support. Security posture is adequate with HTTPS enabled but lacks advanced security headers and DNSSEC, indicating room for improvement. Privacy compliance is partial with a privacy policy present but no cookie consent mechanism detected. Overall, the website is trustworthy and functional but could enhance security and privacy features to align with best practices.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The business operates as a language school network with a focus on quality and cultural immersion, serving a niche market of language learners in Europe and South America. Its non-profit status and regional presence provide competitive advantages in authenticity and local adaptation. The business model relies on member schools offering courses independently under shared quality standards. The absence of direct contact emails or phone numbers on the main pages suggests a centralized contact approach via forms. Social media channels support marketing and community engagement. Growth potential exists through expanding digital presence and enhancing compliance with privacy regulations.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates basic security hygiene with HTTPS enabled and no visible exposed sensitive data. However, the lack of DNSSEC, security headers, and explicit incident response or security policy pages indicates a moderate security maturity level. No vulnerabilities or malware indicators were found in the content. The absence of cookie consent mechanisms may pose GDPR compliance risks. The organization should prioritize implementing security headers, DNSSEC, and formalizing incident response contacts to strengthen its security posture.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to protect against DNS spoofing and improve domain security.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
TANDEM Language Schools
Deutsch und Spanisch lernen mit TANDEM Language Schools, ein deutsch-spanischer Sprachschulverband mit unabhängigen und gemeinnützigen Sprachschulen in Deutschland, Spanien und Chile. Fokus auf lebendigen, professionellen Sprachunterricht, interkulturelle Begegnungen und individuelle Entwicklung.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enabled
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible and not blocked by WAF or security mechanisms.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
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
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
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: energy, transport
📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
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
DNS Records
DNSSEC Status
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings