GIAC Certified UNIX Security Administrator (GCUX)
GIAC Certified UNIX System Administrators (GCUXs) have the knowledge, skills and abilities to secure and audit UNIX and Linux systems.
Individuals responsible for installing, configuring, and monitoring UNIX and/or Linux systems.
Preparing for the GCUX Exam: Candidates may choose to prepare for the GCUX exam by taking the SANS Training Course: SEC506: Securing Linux/Unix
*No Specific training is required for any GIAC certification. If candidates need help in mastering the objectives for this certification, there are many sources of information available. Practical experience is one option; there are also numerous books on the market covering Computer Information Security. Another option is SANS training, or any relevant courses from other training providers.*
- 1 proctored exam
- 75 questions
- Time limit of 2 hours
- Minimum Passing Score of 65.3%
GIAC reserves the right to change the specifications for each certification without notice. Based on a scientific passing point study, the passing point for the GCUX exam has been determined to be 65.3% for all candidates receiving access to their certification attempts on or after 10/07/2010. To verify the format of your current certification attempt, please read the Certification Information found in your portal account at https://exams.giac.org/pages/attempts.
Certifications must be renewed every 4 years. Click here for details.
NOTE: GIAC exams are NOT given the day after the conference ends.
GIAC certification attempts purchased without SANS training will be activated in your SANS/GIAC account within 24 business hours of purchase. GIAC certification attempts purchased with SANS training will be activated in your SANS/GIAC account 7 days after the end of the conference. In both cases, you will receive an email notification when your certification attempt has been activated in your account. You will have 120 days from the date of activation to complete your certification attempt. GIAC exams must be proctored through Pearson VUE. Please click the following link for instructions on How to Schedule Your GIAC Proctored Exam. GIAC exams are delivered online through a standard web browser.
- Certified Professionals (GCUX)
- Exam Feedback Procedure
- Grievance Procedure
- Proctored exam procedure
- SANS Information Security Reading Room
Bulletin (Part 2 of Candidate Handbook)
Exam Certification Objectives & Outcome Statements
The topic areas for each exam part follow:
- The candidate will demonstrate the ability to configure AIDE and utilize it to detect intrusions.
- The candidate will be able to demonstrate an understanding of how to securely setup and configure an Apache server
- Best Practices for Kernel Tuning and Warning Banners
- The candidate will demonstrate the ability to implement best-practice configurations for kernel parameters and warning banners.
- Boot Services
- The candidate will be able to demonstrate an understanding of disabling unnecessary services at boot time
- The candidate will understand chroot() strengths and weaknesses, how to configure services in a chroot() environment and how to configure scponly with chroot().
- DNS- BIND
- The candidate will understand DNS and be able to implement best practices for secure BIND configuration.
- The candidate will demonstrate a fundamental understanding of DNSSec and how it provides increased security over DNS.
- Evidence Collection and Preservation
- The candidate will demonstrate the ability to collect evidence from compromised hosts and maintain the chain of custody in a forensically sound manner.
- Forensic Analysis
- The candidate will demonstrate the ability to conduct rudimentary forensic analysis on images of compromised systems.
- Forensic Preparation and Incident Handling
- The candidate will demonstrate understanding of the IR process as well as preparations and planning especially where forensics is concerned.
- Host Based Firewalls - iptables
- The candidate will demonstrate an understanding of firewall configuration in general and basic iptables commands used to create a host based firewall.
- Intro to Forensics
- The candidate will demonstrate an understanding of the forensic process and fundamental forensic concepts.
- OS Install and Patching
- The candidate will demonstrate an under standing of secure OS installation options and patching techniques.
- Physical, User Account, and Password Access Control
- The candidate will demonstrate an understanding of physical security issues and fundamental user account/password security with respect to Linux/Unix systems.
- Se Linux
- The candidate will demonstrate the ability to use basic SELinux commands understand how SELinux can be used to create and enforce a security policy
- The candidate will demonstrate the ability to set-up and configure sendmail securely.
- The candidate will be able to securely configure SSH to perform numerous Unix security/sysadmin tasks
- Stack Smashing
- The candidate will understand how traditional memory based attacks work.
- The candidate will demonstrate the ability to configure sudo for access control in Linux/Unix environments.
- The candidate will demonstrate the ability to configure a centralized logging server using syslog-ng.
- Unix Logging
- The candidate will understand how to configure logging features native to Unix environments.
Where to Get Help
Training is available from a variety of resources including on line, course attendance at a live conference, and self study.
Practical experience is another way to ensure that you have mastered the skills necessary for certification. Many professionals have the experience to meet the certification objectives identified.
Finally, college level courses or study through another program may meet the needs for mastery.
The procedure to contest exam results can be found at http://www.giac.org/about/procedures/grievance.