Public Exposure & SSL Security Scanner
Discover What Your Internet-Facing Environment Reveals Before Attackers Do
Assess publicly exposed domains, servers, APIs, ports, SSL/TLS configurations, DNS security, WHOIS information, and HTTP security controls from an external perspective.
SSL/TLS Health Grade
TLS 1.3 · Valid Certificate
Port & Service Audit
Ports 80, 443 · No Insecure Ports
HTTP Security Headers
HSTS Active · CSP Configured
DNS & Anti-Spoofing
SPF, DKIM & DMARC Enforced
What Is Public Exposure & SSL Security Scanning?
Modern enterprises continuously deploy cloud workloads, APIs, subdomains, and microservices across hybrid infrastructures. Over time, unmonitored services, forgotten staging environments, and misconfigured security controls create silent exposure.
The Public Exposure & SSL Security Scanner provides organizations with vital visibility into what their internet-facing infrastructure exposes to the public internet. Operating entirely from an external perspective, it assesses domains and public IP addresses without requiring internal agent installations, credentials, or disruptive access.
Why External Exposure Matters
Attackers routinely scan the global IPv4 and IPv6 address space to discover open doors, obsolete cryptography, and vulnerable configurations. Proactively identifying what is visible from the outside allows you to close attack vectors before they can be exploited.
Open Perimeter Ports
Management protocols like SSH, RDP, or unauthenticated database listeners exposed to the internet are prime targets for credential stuffing and automated brute-force attacks.
SSL/TLS Cryptographic Weaknesses
Deprecated TLS 1.0/1.1 protocols, weak cipher combinations, and expiring certificates compromise data in transit and trigger damaging browser security warnings.
Missing Defensive Headers
Omitting HSTS, X-Frame-Options, or Content Security Policies leaves applications vulnerable to clickjacking, protocol downgrades, and Cross-Site Scripting (XSS).
Email Spoofing Gaps
Improperly enforced SPF, DKIM, and DMARC policies allow impostors to spoof your domain name and launch convincing phishing campaigns against your customers and staff.
WHOIS & Registry Oversights
Untracked domain expiration dates, misconfigured name servers, and missing registry transfer locks put business-critical domains at risk of disruption or hostile takeover.
Unintended Information Leakage
Verbose HTTP server banners, software version headers, and exposed debug endpoints hand attackers the specific intelligence needed to craft targeted exploit payloads.
9 Comprehensive Assessment Modules
What We Assess
Our automated reconnaissance engine scans external targets across 9 core technical domains to ensure complete visibility into your perimeter security posture.
Full Recon Audit
Consolidated perimeter intelligence combining ports, SSL/TLS, GeoIP telemetry, WHOIS registry metadata, DNS infrastructure, and HTTP security headers into an integrated exposure report.
- Perimeter reconnaissance across multiple vectors
- Unified risk rating and posture overview
- Actionable remediation checkpoints
IP Geolocation
Pinpoint physical host location, autonomous system routing (ASN), network provider, and carrier infrastructure hosting your public internet endpoints.
- Physical host country, region, and city
- ISP, hosting provider, and carrier identification
- ASN numbers and BGP routing context
WHOIS Domain Intel
Analyze registrar ownership records, domain creation and expiry timelines, authoritative name servers, and domain lock statuses to prevent hijacking.
- Accredited registrar and registration timeline
- Certificate and domain expiration countdowns
- Authoritative name server delegation records
Port & Service Audit
Identify open perimeter ports, exposed database listeners, legacy administration consoles, and active services that could be leveraged by adversaries.
- Scan of common and critical perimeter ports
- Detection of exposed management portals (SSH, RDP, DBs)
- Unintended service discovery and banner review
SSL/TLS Health Check
Comprehensive evaluation of certificate validity, SAN domain bindings, cipher suite strength, protocol version deprecation, and expiry warnings.
- TLS 1.2 / TLS 1.3 protocol enforcement validation
- SAN certificate binding and chain verification
- Detection of weak ciphers and impending expiration
HTTP Security Headers
Inspect essential browser defense headers to protect users from clickjacking, man-in-the-middle exploits, MIME-type sniffing, and data leakage.
- Strict-Transport-Security (HSTS) enforcement
- X-Frame-Options and X-Content-Type-Options
- Server banner disclosure and information leakage
SEO & Search Quality
In-depth 22-point audit verifying meta tags, heading hierarchies, image attributes, link structures, and core crawlability parameters.
- Meta title, description, and canonical tag review
- H1/H2 heading hierarchy and structured indexing
- Broken link detection and site hygiene score
Deep Content Security Policy Check
Granular inspection of Content Security Policies across HTTP response headers and meta tags to prevent Cross-Site Scripting (XSS) and data injection.
- Framing controls and script execution restrictions
- Unsafe-inline and unsafe-eval directive audit
- Violation reporting endpoints and policy effectiveness
DNS, Email & Anti-Spoofing
Assess DNS infrastructure integrity, DNSSEC cryptographic chains, and email authentication controls to stop brand impersonation and phishing.
- SPF, DKIM, and DMARC enforcement validation
- DNSSEC cryptographic verification chain
- MTA-STS and TLS-RPT email transport protection
How the Assessment Works
Run external reconnaissance in seconds without software installations or configuration changes.
Enter Your Target
Input a domain name, fully qualified domain name (FQDN), or public IP address you wish to assess.
Execute Assessment
The scanner launches non-intrusive external reconnaissance across all 9 exposure and compliance vectors.
Review Findings
Review immediate insights on exposed ports, SSL health, header gaps, and actionable remediation steps.
Who Can Use This Service?
Designed for technical and governance stakeholders requiring fast, reliable external security validation.
Security & SOC Teams
Identify shadow IT, monitor external attack surface changes, and ensure external certificates never expire unnoticed.
IT & Infrastructure Teams
Verify firewall rules, confirm database isolation from public networks, and maintain clean perimeter configurations.
Web App & DevOps Teams
Audit Content Security Policies, verify HTTPS redirection, and validate public API gateway configurations before release.
Compliance & Audit Officers
Collect evidence for ISO 27001, SOC 2, and PCI DSS external perimeter controls and email anti-spoofing governance.
Strengthening Cybersecurity Through Continuous Intelligence
The Self Defence Platform continues to gain strong adoption, helping organizations proactively identify vulnerabilities, assess security exposures, and strengthen their cyber resilience.
Our latest Attack Defence Telemetry Portal delivers enhanced visibility into attack surfaces, real-time security insights, advanced security assessments, and a streamlined user experience, enabling organizations to make informed, risk exposure management and risk-based security decisions.
Assessment Engine
Continuous Recon
Telemetry Ingress
Zero Breach Vector
Key Highlights
Six core advantages empowering organizations to anticipate, assess, and mitigate external exposure.
Advanced attack surface monitoring
Continuous surveillance of external digital assets, public IP addresses, and DNS endpoints to eliminate perimeter blind spots.
Faster and deeper security assessments
Rapid cryptographic, open port, and security header evaluations without operational latency or internal agent overhead.
Real-time attack and defence telemetry
Actionable telemetry feeds providing situational awareness across active perimeter threats and defensive postures.
Premium assessment capabilities
Comprehensive multi-vector reconnaissance engine evaluating exposure severity and cryptographic integrity.
Improved visibility into organizational risk exposure
Transparent exposure scoring and governance mapping to prioritize critical remediation checkpoints effectively.
Enhanced performance and user experience
Streamlined diagnostics, instantaneous reporting, and clear actionable paths designed for rapid executive decision-making.
Stay ahead of evolving threats with continuous security intelligence, proactive risk management, and stronger cyber resilience.
Business Benefits
Gain actionable visibility into your externally visible security posture without complexity or overhead.
Expose Unmonitored Perimeter Services
Discover active ports, forgotten test environments, and legacy management interfaces before automated internet bots exploit them.
Eliminate SSL/TLS Vulnerabilities
Gain full visibility into expiring certificates, weak cipher suites, and deprecated protocols to uphold customer trust and compliance.
Harden Web Application Headers
Quickly detect missing HSTS, CSP, and X-Frame-Options headers to protect users against clickjacking and cross-site scripting.
Safeguard Email & Brand Reputation
Verify that SPF, DKIM, and DMARC policies are properly configured to prevent cybercriminals from spoofing your corporate domain.
Understand External Threat Perspective
See exactly what an external adversary or automated scanner can discover about your organization using public internet recon.
Fast, Non-Intrusive Validation
Evaluate your internet-facing security posture safely from outside your firewall without requiring agents or downtime.
* Note: The scanner provides external visibility, posture insights, and configuration evaluation. It is designed to complement—not replace—comprehensive internal security programs and penetration testing.
See What Your Internet-Facing Environment Reveals
Run an external security assessment and gain visibility into publicly exposed services, SSL/TLS configuration, DNS security, and web security controls.
Directly accessing Secure Logic SelfDefence assessment engine at selfdefence.securelogicgroup.co