Information Security

Symmetric and asymmetric cryptography, public key infrastructure (PKI), authentication protocols, and web application threat models.

1Symmetric Cryptography & Block Cipher Modes

AES-256 encryption, Cipher Block Chaining (CBC), Galois/Counter Mode (GCM), and HMAC integrity.

Symmetric Cryptography & Block Cipher Modes

AES-256 encryption, Cipher Block Chaining (CBC), Galois/Counter Mode (GCM), and HMAC integrity.

Symmetric Cryptography & Block Cipher Modes

AES-256 encryption, Cipher Block Chaining (CBC), Galois/Counter Mode (GCM), and HMAC integrity.

2Asymmetric Cryptography, Key Exchange & PKI

RSA modular exponentiation, Elliptic Curve Diffie-Hellman (ECDH), digital signatures, and Public Key Infrastructure.

RSA Mathematics, Elliptic Curve Diffie-Hellman & X.509 PKI

Euler totient theorem, discrete logarithm problem, ECDH key exchange, and X.509 certificate trust chains.

RSA Trapdoor Permutations, Elliptic Curve Diffie-Hellman & X.509 PKI Trust Chains

Master asymmetric key mathematics, RSA trapdoor permutations, modular inverses, Elliptic Curve Cryptography (ECC), Ephemeral Diffie-Hellman (ECDHE) forward secrecy, and X.509 Public Key Infrastructure trust chains.

3Identity, Access Control & Authentication Protocols

OAuth 2.0 authorization flows, OpenID Connect JWT verification, and Role-Based Access Control (RBAC).

OAuth 2.0 Authorization, OpenID Connect & JWT Token Security

Proof Key for Code Exchange (PKCE), OIDC identity claims, JSON Web Signature validation, and token replay prevention.

OAuth 2.0 Framework, PKCE Authorization Code Grant & Cryptographic JWT Security

Master modern identity architectures, the OAuth 2.0 framework, PKCE mitigation against authorization code interception in single-page apps, OpenID Connect claims, and JSON Web Token (JWT) cryptographic signature validation.

4Threat Modeling, Vulnerability Mitigation & DevSecOps

OWASP Top 10 mitigation, memory corruption exploits, Return-Oriented Programming (ROP), and Zero-Trust architectures.

Stack Buffer Overflows, ROP Gadgets & Modern Web Defense Architectures

Stack frame memory layout, return address redirection, ROP gadget chaining, and Zero-Trust defense models.

Stack Buffer Overflows, Return-Oriented Programming (ROP) & Zero-Trust Defense

Master low-level binary memory safety, stack frame architecture, buffer overflows, Stack Canaries, ASLR, Data Execution Prevention (DEP/NX), Return-Oriented Programming (ROP) gadget execution, and NIST Zero-Trust architectures.