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Is smartsteuer.de a Scam? Security Check Results - smartsteuer GmbH

smartsteuer.de Security Report Summary

smartsteuer.de received a security score of 63 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers smartsteuer GmbH's website security posture. smartsteuer GmbH operates in the Finance industry in Germany.

smartsteuer GmbH operates a well-established online tax declaration platform targeting German taxpayers including employees, self-employed individuals, students, and pensioners. The service offers an intuitive, step-by-step tax filing experience with TÜV certifications and integration options such as Lexware Office. The company positions itself as a user-friendly alternative to traditional tax filing methods, emphasizing ease of use and maximizing tax refunds. Technically, the website is built on WordPress with modern plugins and libraries, hosted on sysEleven infrastructure, and optimized for performance and mobile use. Security posture is strong with HTTPS, cookie consent management, and TÜV certifications, though some security headers could be improved. Privacy compliance is robust with clear policies and consent mechanisms. Overall, smartsteuer demonstrates a mature digital presence with high trustworthiness and professional business operations.

The security scan identified 33 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: WordPress 6.8.3, Yoast SEO Premium, jQuery, Rate My Post plugin, Table of Contents Plus plugin, Simple Lightbox, Advanced Responsive Video Embedder, Cookiebot consent management, Google Tag Manager, Smartsteuer UI library.

About this security scan

Guard performs automated security assessments of websites by analyzing SSL/TLS certificates, HTTP security headers, DNS configuration, email authentication protocols (SPF, DKIM, DMARC), GDPR compliance indicators, NIS2 directive compliance, network exposure, and AI-powered business intelligence. Each report provides domain-specific findings, risk scores, and actionable recommendations.

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Is smartsteuer.de Safe? Security Analysis for smartsteuer GmbH

https://smartsteuer.de

Check if smartsteuer.de is a scam or legitimate. Free security scan and reviews.

FinanceGermanymedium
WordPress 6.8.3Yoast SEO PremiumjQueryRate My Post pluginTable of Contents Plus plugin+5 more
Analyzed 10/24/2025Completed 8:13:45 PM5mo ago
63
Security Score
MEDIUM RISK

Below Finance avg (78)

10,000+

Domains scanned

500+

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Domainsmartsteuer.de
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

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

AI Summary

smartsteuer GmbH operates a well-established online tax declaration platform targeting German taxpayers including employees, self-employed individuals, students, and pensioners. The service offers an intuitive, step-by-step tax filing experience with TÜV certifications and integration options such as Lexware Office. The company positions itself as a user-friendly alternative to traditional tax filing methods, emphasizing ease of use and maximizing tax refunds. Technically, the website is built on WordPress with modern plugins and libraries, hosted on sysEleven infrastructure, and optimized for performance and mobile use. Security posture is strong with HTTPS, cookie consent management, and TÜV certifications, though some security headers could be improved. Privacy compliance is robust with clear policies and consent mechanisms. Overall, smartsteuer demonstrates a mature digital presence with high trustworthiness and professional business operations.

Detected Technologies

WordPress 6.8.3Yoast SEO PremiumjQueryRate My Post pluginTable of Contents Plus pluginSimple LightboxAdvanced Responsive Video EmbedderCookiebot consent managementGoogle Tag ManagerSmartsteuer UI library

8 urgent findings need attention

8 high

Continuous monitoring

Keep smartsteuer.de 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

7 findings

30/100

GDPR Compliance

2 findings

83/100

NIS2 Compliance

9 findings

2/100

Email Security

4 findings

70/100

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

smartsteuer GmbH holds a strong market position in the German online tax filing sector, leveraging TÜV certifications and positive customer feedback to build trust. The business model is SaaS with pay-on-submission pricing, targeting a broad demographic from students to retirees. Partnerships with Lexware and Haufe Group enhance product offerings and market reach. The company benefits from a comprehensive digital marketing and analytics ecosystem, enabling targeted advertising and user engagement. Growth indicators include multi-year domain age, extensive content, and active social media presence. Strategic observations suggest continued focus on compliance, user experience, and integration with financial software to maintain competitive advantage.

Security Posture Analysis

Comprehensive Security Assessment

The website exhibits a mature security posture with enforced HTTPS, cookie consent via Cookiebot, and TÜV certifications indicating adherence to data protection standards. No critical vulnerabilities or exposed sensitive data were detected. However, the absence of explicit security headers like Content-Security-Policy and X-Frame-Options suggests room for improvement. Incident response and vulnerability disclosure mechanisms are not publicly documented, which could be enhanced to align with best practices. Overall, the security measures are adequate for the business type, supporting user trust and regulatory compliance.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to mitigate common web attacks.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

smartsteuer GmbH

Description:

Online tax declaration service for 2024, enabling users to complete their tax returns easily and secure average refunds of 1,328 €. TÜV certified and user-friendly.

Key Services:
Income tax declarationVAT declarationTrade tax declarationDigital submission to tax authoritiesIntegration with Lexware Office
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
WordPress 6.8.3Yoast SEO PremiumjQueryRate My Post pluginTable of Contents Plus pluginSimple LightboxAdvanced Responsive Video EmbedderCookiebot consent managementGoogle Tag ManagerSmartsteuer UI library
Frameworks:
WordPress
Platforms:
Web
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

excellent

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • Cookie consent management with Cookiebot
  • Session cookies with appropriate scope
  • No exposed sensitive data in HTML
  • Use of security and privacy certifications (TÜV)

Analytics & Tracking

Services:
Google AnalyticsAdobe AnalyticsOutbrain
Tracking Level:extensive
Privacy Compliance:good

Advertising & Marketing

Ad Networks:
Google DoubleClickFacebook AdsAmazon AdvertisingThe Trade DeskAppnexusAdformMicrosoft Advertising
Tracking Pixels:
CookiebotFacebook PixelOutbrainYouTubeAdobe Analytics
Marketing Tools:
CookiebotRate My Post plugin
Transparency Level:good

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is professionally designed and well-structured.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

30/100
Score

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Weak Referrer-Policy configuration

LOW

Current value: "no-referrer-when-downgrade"

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

Sensitive data may be cached

LOW

Cache-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

83/100
Score

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy85% confidence
Contact Information Found90% confidence
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

2/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

Critical sector without clear security compliance

HIGH

Detected sectors: transport, digital

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📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

70/100
Score

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 mx a include:spf.mailjet.com include:spf.de.cancom-mase.com ip4:91.250.66.245 ip4:80.237.138.0/24 ip6:2a01:488:42::/48 include:amazonses.com -all
DNS Lookups:5/10
Policy:-all

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

72/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

OCSP Stapling Not Enabled

LOW

OCSP stapling improves performance and privacy

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 74 days

Partial SSL/TLS Assessment

LOW

Completed 3 of 4 security checks due to time constraints

Protocol Support

TLSv1.3TLSv1.2TLSv1.1

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

60/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

Domain Transfer Lock Not Enabled

MEDIUM

Domain can be transferred without authorization

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

No DMARC Record

MEDIUM

DMARC policy not configured

Domain Registration Details

Protection Level
none
Suspicious Indicators Detected
  • No domain protection locks enabled

DNS Records

A Records:77.247.82.119
Name Servers:
ns01.cloud.syseleven.net
ns02.cloud.syseleven.net
ns03.cloud.syseleven.net
ns04.cloud.syseleven.net
MX Records:
10: mail.haufe.de
20: mail2.haufe.de
30: mail3.haufe.de
SOA:Serial: 1761311066, TTL: 300s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:72ms

SPF Analysis

SPF Record:
v=spf1 mx a include:spf.mailjet.com include:spf.de.cancom-mase.com ip4:91.250.66.245 ip4:80.237.138.0/24 ip6:2a01:488:42::/48 include:amazonses.com -all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

How does smartsteuer.de compare?

See how smartsteuer.de stacks up against similar websites in the same industry.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website leverages a modern WordPress CMS with a suite of plugins for SEO, UI, analytics, and cookie management. Hosting on sysEleven provides reliable infrastructure. The tech stack includes jQuery, Yoast SEO Premium, Cookiebot, and custom smartsteuer UI components. Performance is optimized with preloading fonts, responsive design, and CDN usage. Accessibility and SEO are well addressed through semantic HTML, meta tags, and structured data (JSON-LD). Technical risks are low but depend on maintaining plugin updates and security best practices. Opportunities exist to enhance security headers and incident response capabilities to further strengthen the technical foundation.
Professional PDF & Marketing Data

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PDF Report & Export

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39.90 €one-time • Incl. 21% VAT

Marketing Intelligence

Contact emails, phone numbers & warm leads

49.90 €one-time • Incl. 21% VAT

Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domainsmartsteuer.de
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

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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