Dark Web
Dark Web Leak Check
Check whether your email or credentials appear in known breach databases.
Open ToolCyber entry point
Security starts here
Fast. Simple. Secure.
Essential Security Checks
Link
Check a Link
Check if a link is suspicious before you click.
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Website
Check a Website
Scan a website for security issues and vulnerabilities.
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Website Security
Check Your Website Security
Run a fast passive review of public website security signals.
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Domain
Domain Exposure Map
Discover public information linked to a domain and its infrastructure.
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Speed
Test My Internet Speed
Measure your real download, upload and ping performance.
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IP
Check IP / Provider
View geo information, provider and abuse data for any IP.
Open ToolControlled Checks For Authorized Users
IP Scanner
IP Scanner
Resolve a public IP or domain and review intelligence, reverse DNS, and reachability clues.
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Port Scanner
Port Scanner
Scan open ports on a target and analyze service exposure.
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API Scanner
Public API Scanner
Discover exposed APIs and check for misconfigurations.
Open ToolVerification Required — Complete domain verification first
These workflows stay locked until you verify domain ownership inside CSC. Start with CSC Site Verification to unlock the rest of this section.
Locked until domain verification is complete
Domain
Domain Finder
Find and explore domains related to keywords or brands.
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Subdomain
Subdomain Finder
Discover subdomains with safe and passive techniques.
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VHost
Find Virtual Hosts
Detect virtual hosts on target web servers.
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Verify
CSC Site Verification
Verify ownership of a domain using file, DNS or meta tag.
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Recon
Authorized Security Review
Run safe, authorized security checks on your verified targets.
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Risk
OWASP Risk Calculator
Calculate application risk based on OWASP factors.
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Clickjack
Clickjacking Tester
Check if a site is vulnerable to clickjacking attacks.
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