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Is serio.sk a Scam? Security Check Results - SERIO s.r.o.

serio.sk Security Report Summary

serio.sk received a security score of 53 out of 100 in Guard's comprehensive security analysis, classified as "Elevated Risk". This report covers SERIO s.r.o.'s website security posture. SERIO s.r.o. operates in the Energy industry in Slovakia.

SERIO s.r.o. is a Slovakian company specializing in professional services within the thermal energy sector, serving operators of thermal equipment, property managers, and homeowners' associations. With over 15 years of experience, the company offers authorized servicing, product supply, and technical consulting aimed at reducing energy production and consumption costs. The website reflects a well-structured and professional digital presence built on WordPress, incorporating standard technologies such as jQuery and Contact Form 7 for user interaction. While the site is secure with HTTPS and includes cookie consent mechanisms, it lacks explicit privacy policies and security headers, which are important for compliance and security posture. Contact information is clearly presented, enhancing business credibility.

The security scan identified 35 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: jQuery, WordPress, Contact Form 7, Material Design Iconic Font, Google Fonts.

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 serio.sk Safe? Security Analysis for SERIO s.r.o.

https://serio.sk

Check if serio.sk is a scam or legitimate. Free security scan and reviews.

EnergySlovakiasmall
jQueryWordPressContact Form 7Material Design Iconic FontGoogle Fonts
Analyzed 7/31/2025Completed 11:50:52 PM8mo ago
53
Security Score
MEDIUM RISK

10,000+

Domains scanned

500+

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Domainserio.sk
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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

SERIO s.r.o. is a Slovakian company specializing in professional services within the thermal energy sector, serving operators of thermal equipment, property managers, and homeowners' associations. With over 15 years of experience, the company offers authorized servicing, product supply, and technical consulting aimed at reducing energy production and consumption costs. The website reflects a well-structured and professional digital presence built on WordPress, incorporating standard technologies such as jQuery and Contact Form 7 for user interaction. While the site is secure with HTTPS and includes cookie consent mechanisms, it lacks explicit privacy policies and security headers, which are important for compliance and security posture. Contact information is clearly presented, enhancing business credibility.

Detected Technologies

jQueryWordPressContact Form 7Material Design Iconic FontGoogle Fonts

14 urgent findings need attention

1 critical · 13 high

  • + 6 more findings in the full report below
Continuous monitoring

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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

8 findings

15/100

GDPR Compliance

5 findings

10/100

NIS2 Compliance

9 findings

2/100

Email Security

3 findings

85/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

The company positions itself as a trusted local provider in the energy sector with a focus on thermal energy solutions. Its business model revolves around product sales, authorized servicing, and customized technical and pricing offers. The target market includes thermal equipment operators and residential property managers interested in energy cost savings. The website content and structure support this positioning, with clear service descriptions and customer trust indicators such as references and authorized service claims. The absence of privacy and security policies suggests room for improvement in regulatory compliance and customer assurance. No partnerships or subsidiaries are indicated, suggesting a focused, small-sized enterprise.

Extracted Contact Information

Marketing Intelligence Data

Security Posture Analysis

Comprehensive Security Assessment

The website benefits from HTTPS encryption ensuring secure data transmission. However, it lacks several recommended security headers such as Content-Security-Policy and X-Frame-Options, which could mitigate common web vulnerabilities. No vulnerability disclosure or incident response information is provided, which limits transparency and preparedness for security incidents. The use of standard WordPress plugins and libraries is noted, but without explicit evidence of vulnerability management. Overall, the security posture is moderate but could be significantly improved by adopting best practices and formal policies.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement and publish a comprehensive privacy policy to enhance GDPR compliance and user trust.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

SERIO s.r.o.

Description:

Spoločnosť SERIO s.r.o. ponúka profesionálne služby v oblasti tepelnej energetiky, zamerané na prevádzkovateľov tepelných zariadení, správu bytových domov a spoločenstvá vlastníkov bytov. Poskytuje rýchlo návratné a inovatívne riešenia na znižovanie nákladov na výrobu a spotrebu energie.

Key Services:
autorizovaný servisdodávka produktovtechnické poradenstvovypracovanie cenových ponúk
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
jQueryWordPressContact Form 7Material Design Iconic FontGoogle Fonts
Frameworks:
WordPress
Platforms:
WordPress CMS
Performance:

moderate

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
75/100
Best Practices:
  • HTTPS enforced
  • secure contact forms

Analytics & Tracking

Services:
Google Tag Manager
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Transparency Level:basic

Website Quality Assessment

Design Quality:good
User Experience:good
Content Relevance:good
Navigation Clarity:good
Professionalism:good
Trustworthiness:moderate

Key Observations

1

Website is fully accessible with no blocking or WAF challenges.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

15/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections

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)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

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

10/100
Score

No Privacy Policy found

HIGH

GDPR requires a clear and accessible privacy policy

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

EU business without adequate privacy measures

CRITICAL

EU businesses are subject to strict GDPR requirements

Third-party services without privacy policy

HIGH

Detected services: Google Analytics, YouTube, Cloudflare, Google APIs

GDPR Compliance Analysis

Privacy Policy0% confidence
Cookie Policy0% 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

85/100
Score

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 a mx include:_spf.m1.websupport.sk ?all
DNS Lookups:3/10
Policy:?all
DKIM Selectors Found
Selector:mail(1296-bit rsa)

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

85/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 52 days

Mixed Content Detected

MEDIUM

1 resources loaded over insecure HTTP

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:www.serio.sk
Issuer:R10
Valid Until:9/22/2025 (52 days)
SANs:serio.sk, www.serio.sk

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

45/100
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

Weak SPF Policy

HIGH

SPF record has permissive policy allowing any server to send email

No DMARC Record

MEDIUM

DMARC policy not configured

Domain Registration Details

Domain Age
16 years(mature)
Expiry Risk
medium(expired)
Protection Level
noneDNSSEC ON
Suspicious Indicators Detected
  • No domain protection locks enabled

DNS Records

A Records:37.9.175.189
AAAA Records:2a00:4b40:aaaa:2008::7
Name Servers:
ns1.websupport.sk
ns2.websupport.sk
ns3.websupport.sk
MX Records:
5: mailin1.serio.sk
10: mailin2.serio.sk
SOA:Serial: 1727776282, TTL: 2560s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:130ms

SPF Analysis

SPF Record:
v=spf1 a mx include:_spf.m1.websupport.sk ?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 serio.sk compare?

See how serio.sk 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 is built on WordPress CMS using common technologies such as jQuery and Contact Form 7 for forms. It loads external resources from reputable CDNs including Google Fonts and Cloudflare. The site is mobile responsive and well-structured with proper meta tags and Open Graph data for SEO and social sharing. Performance is moderate, with no evident broken elements. However, the absence of advanced security headers and limited accessibility features indicate technical debt and modernization opportunities. Hosting provider details are not explicitly available from the content. Overall, the technical infrastructure supports business needs but would benefit from security and compliance enhancements.
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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

Domainserio.sk
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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