Dark Web Leak Check
Check whether your email or credentials appear in known exposure data.
Open Tool PageTool pages
Choose a tool page
Each tool is ready for its own dedicated workflow.
Check a Link
Check if a link is suspicious.
Open Tool PageCheck a Website
See if a site looks safe.
Open Tool PageCheck Your Website Security
Review basic exposure on your own website.
Open Tool PageDomain Exposure Map
Discover public subdomains linked to your domain and see which ones appear active.
Open Tool PageTest My Internet Speed
Check your connection speed.
Open Tool PageCheck ISP / Provider
View your internet provider and connection details.
Open Tool PageAdvanced Security Tools
Controlled checks for authorized use
These tools stay out of the public homepage flow and are available only while signed in. CSC applies authorization confirmation and fair-use limits before each advanced assessment.
Open Advanced Security ToolsOne public IP or domain
Resolve a public target, review provider intelligence, reverse DNS, and a short reachability summary.
Open Tool PageCurated common-port review
Check a single public target against CSC's limited common-port set with grouped results and clear status wording.
Open Tool PagePublic API posture review
Review HTTPS, headers, CORS, public docs exposure, and basic method hints for one API base URL.
Open Tool Page