Is casan.com.br Safe? Security Analysis for Companhia Catarinense de Águas e Saneamento
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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
CASAN (Companhia Catarinense de Águas e Saneamento) is a large regional public utility company in Brazil specializing in water supply and sanitation services primarily for the state of Santa Catarina. The company provides a broad range of services including water distribution, sewage treatment, billing, debt management, and social tariff programs. The website serves as a customer portal offering quick access to payment options, service notifications, and customer support channels. CASAN maintains an active social media presence and links to government transparency and regulatory portals, reinforcing its public utility status. Technically, the website uses legacy JavaScript libraries such as jQuery 1.7.1 and jCarousel, indicating some technical debt. The site is moderately optimized for mobile devices and has a clear navigation structure. Hosting appears to be managed internally or via dedicated infrastructure. Google Analytics is used for visitor tracking, but no privacy or cookie policies are present, which is a compliance gap. Security headers are not visible in the HTML source, and the use of outdated libraries may expose the site to vulnerabilities. From a security perspective, the site benefits from HTTPS usage on external service links and no visible sensitive data exposure. However, the lack of modern security headers, outdated JavaScript libraries, and missing privacy compliance elements reduce the overall security posture. Incident response and security policy information are not publicly available. The domain registration data aligns well with the business claims, indicating legitimacy and trustworthiness. Overall, CASAN's website is a functional and professional portal for a major public utility company but would benefit from modernization of its technical stack, enhanced security practices, and improved privacy compliance to reduce risk and improve user trust.
Detected Technologies
14 urgent findings need attention
3 critical · 11 high
- + 6 more findings in the full report below
Keep casan.com.br 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
5 findings
10/100
NIS2 Compliance
8 findings
5/100
Email Security
2 findings
90/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
CASAN holds a strong market position as the primary water and sanitation service provider in Santa Catarina, Brazil. Its business model is that of a public utility, focusing on essential services to municipalities and residents. Revenue streams likely include water and sewage billing, social tariff subsidies, and government contracts. The company leverages partnerships with payment processors and regulatory agencies, as evidenced by linked domains. Growth indicators include infrastructure expansion projects and active communication channels. The company targets residential customers, municipalities, and commercial clients within its service area. Strategic observations include the need to modernize digital infrastructure and enhance compliance to maintain competitive advantage and regulatory alignment.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The current security maturity level is moderate but with notable gaps. The use of outdated JavaScript libraries such as jQuery 1.7.1 introduces potential vulnerabilities. The absence of visible security headers like Content-Security-Policy and Strict-Transport-Security reduces defense-in-depth. No public security policy or incident response contacts are provided, limiting transparency and readiness perception. GDPR and cookie consent compliance are lacking, which may pose regulatory risks. The site uses HTTPS for external services but the main domain's SSL configuration is unknown. Overall, the security culture appears basic with room for improvement in modern security best practices and compliance.
Strategic Recommendations
Priority Actions for Security Improvement
Update all JavaScript libraries to current secure versions to mitigate known vulnerabilities.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Companhia Catarinense de Águas e Saneamento
CASAN is a Brazilian company providing water supply and sanitation services primarily in the state of Santa Catarina. It offers services such as water supply, sewage collection and treatment, billing, debt negotiation, and social tariffs.
good
consistent
Technical Stack
moderate
good
basic
basic
Security Assessment
- HTTPS usage implied by external links (https://) for payment and service portals
- No visible exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a public utility portal for CASAN, a water and sanitation company in Santa Catarina, Brazil.
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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 X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
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 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
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Facebook, Twitter, YouTube
No HTTPS encryption
CRITICALGDPR requires appropriate security measures for personal data
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No HTTPS encryption
CRITICALNIS2 requires appropriate technical measures including encryption
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 NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
Weak DKIM Key
HIGHDKIM selector 'google' uses 176-bit key
Strict DMARC Alignment
LOWStrict alignment may cause legitimate emails to fail
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
No HTTPS Encryption
CRITICALWebsite does not use HTTPS encryption, making all data transmission vulnerable to interception
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
Domain Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
Domain Registration Details
- •No domain protection locks enabled
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 casan.com.br compare?
casan.com.br scores below average. Browse similar domains to see how competitors handle security.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Marketing Intelligence
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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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