GCWNGIAC Certified Windows Security Administrator
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What is GCWN?
The GCWN certifies skills for securing Windows clients and servers. The exam covers securing PowerShell, multifactor authentication following zero trust principles, Windows endpoint protection, hardening the operating system and applications, PKI management, and limiting administrative compromise. According to GIAC it addresses those responsible for installing, configuring, and securing Windows clients and servers, endpoint and server administrators, practitioners validating PowerShell automation, implementers of the CIS Critical Security Controls, US military and government cyber defenders, and blue team professionals. As of August 2026 GIAC lists the GCWN as in abeyance and it can no longer be purchased; according to the provider, existing certifications remain renewable through continuing education credits.
Quick facts
Cost, prerequisites, exam & renewal
Cost over 5 years
Prerequisites
No formal prerequisites. Associated SANS course strongly recommended.
Exam format
In abeyance: GIAC no longer offers the exam for purchase; existing certifications renew via CPE credits only.
Renewal & maintenance
In abeyance: the exam can no longer be purchased. Existing certifications renew via CPE credits only; in-abeyance renewal is 199 USD every 4 years.
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