GXPN — GIAC Exploit Researcher and Advanced Penetration Tester

GIAC's elite-level exploit researcher and advanced penetration tester certification. DoD 8140 approved and one of the few DoD-approved credentials that gets into genuine exploit development territory. Associated with SANS SEC660. The MCQ format is a limitation at this level — OSED and OSEE are meaningfully more rigorous for validating actual exploit development skill. GXPN's primary value is DoD 8140 approval for government practitioners who need an accredited credential covering advanced penetration testing and exploit research.

Issuer	GIAC / SANS Institute
Level	expert
Domains	Offensive Security, Application Security
Practical weight	25%
Cost (USD)	999
Renewal	4 years (36 CPEs + $499)
DoD 8140	Yes
Skills	exploit_development, shellcode_development, heap_exploitation, bypass_techniques, advanced_network_attacks, cryptographic_attacks, advanced_exploitation_techniques

Official certification page

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