Analyze inbound request
Inspect IP, Method, Path, Headers, Cookie and Body.
INTERACTIVE BACKEND ROUTING SIMULATION
CoreSec is a fast-paced backend routing game. Inspect inbound requests, choose the correct HTTP response, and execute the right server action before the route times out.

REQUEST LIFECYCLE
Read the evidence, decide the response, execute the backend action, then route the result to the frontend.
Inspect IP, Method, Path, Headers, Cookie and Body.
Return the correct HTTP Status Code for the situation.
Select the correct SQL, file, Session or server operation.
Submit the response and move immediately to the next request.
CORESEC / DOCS
Not prerequisites—these are the signals you will learn to read inside CoreSec.
Read HTTP Headers and identify suspicious values.
Recognize valid, blocked and abnormal IP activity.
Parse JSON structures, values and malformed bodies.
Choose safe and correct SQL instructions.
Understand API Body, Method and Path behavior.
Know what each HTTP Status Code communicates.
Detect SQLi, XSS, IDOR, SSRF, privilege abuse and more.