Interactive labs
All 5 labs in this category
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LAB · 01
JWT Decoder
Paste a JWT; see header, payload, and claim breakdown.
Open lab →LAB · 02
mTLS Handshake
Both client and server present certificates; mutual identity verification.
Open lab →LAB · 03
OAuth 2.1 Authorization Code + PKCE
Step through the modern OAuth flow for public clients.
Open lab →LAB · 04
Password Hashing — Hash, Salt, Iterate
Watch how raw, hashed, salted, and bcrypt hashes differ for the same password.
Open lab →LAB · 05
SQL Injection — Vulnerable vs Parameterized
Type input; see how concatenated SQL fails and parameterized SQL stays safe.
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