Post-quantum and modern national cryptography attack surface testing covering NIST PQC candidates (ML-KEM/ML-DSA/SLH-DSA), hybrid TLS analysis, QKD/BB84 protocol attacks, Chinese national crypto (SM2/SM3/SM4/SM9) implementation flaws, lattice/hashing signature probing, and quantum-vulnerable RSA/ECC asset discovery using liboqs, GmSSL, cloudflare/circl, OQS-OpenSSL, and PQCrypto-Break.