Free External Security Scan
Discover what attackers see when they look at your organization. Get a comprehensive external attack surface assessment — completely free.
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What We Scan For
Our external attack surface assessment checks for common vulnerabilities and misconfigurations
SSL/TLS Security
Certificate validity, cipher strength, and protocol versions
DNS Configuration
DNSSEC, SPF, DKIM, DMARC records and configuration
Open Ports & Services
Exposed services, unnecessary open ports, and banners
Security Headers
CSP, HSTS, X-Frame-Options, and other HTTP headers
Email Security
SPF, DKIM, DMARC policies and email authentication
Known Vulnerabilities
CVE checks on detected software and services
Need help fixing what we found?
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