You can see it againUnder pressure people bring back shapes and positions long after the wording has gone.
Picture superiority · Shepard 1967, Standing 1973
GIAC (SANS)GIAC Security Essentials
The GIAC Security Essentials (GSEC) certification validates a practitioner's hands-on capability and understanding of information security beyond simple terminology and concepts. It is designed for new InfoSec professionals, security administrators, and IT engineers who need to demonstrate fluency in crucial security paradigms and technologies. Earning GSEC proves you are qualified for hands-on roles addressing security tasks in IT systems.
Exam formatCyberLive: Performance-based, hands-on challenges in realistic lab environments
Duration240 minutes
DeliveryGIAC
Passing score72%
Free questions1175
Content last reviewed 30 July 2026 · Up to date
The certification
What GIAC Security Essentials proves, and what it asks of you
What this certification covers, who it is written for, and what the exam itself looks like on the day.
6domains
26objectives
224concepts
US $499exam fee
What it is
What this certification is
What it validates, who it is written for, and the experience it assumes.
About this certification
The GIAC Security Essentials (GSEC) certification validates a practitioner's capability and understanding of information security beyond simple terminology and concepts. GSEC certification holders have demonstrated that they are qualified for hands-on roles addressing security tasks in IT systems, covering a broad spectrum of essential security domains.
The exam assesses knowledge across defense in depth, access control, network architecture, incident handling, cryptography, and operating system security for Linux and Windows. By earning GSEC, you prove you possess the practical skills and foundational knowledge required to protect modern IT environments and respond to security challenges effectively.
Who it’s for
The GSEC certification is for new InfoSec professionals with backgrounds in information systems and networking, as well as security professionals, managers, and administrators. It is also well-suited for operations personnel, IT engineers, and supervisors who need to demonstrate a solid grasp of core security principles. Forensic analysts, penetration testers, and auditors will also find value in GSEC as it validates a broad understanding of security essentials that underpin their specialized roles.
Recommended experience
While GIAC does not mandate specific prerequisites, practical work experience and training in information security are strongly recommended to ensure mastery of the skills necessary for certification. Practical work experience in information security or related IT roles; College-level courses or self-paced study through other programs or materials; SANS-aligned training, such as the SEC401: Security Essentials course
The syllabus
What you’ll learn
Every domain and objective GIAC (SANS) measures, with the weight they carry on the exam.
The official GIAC (SANS) exam outline · checked 30 July 2026 · See the source
Foundations of Security
- Access Control & Password Management
- Defense in Depth
- Security Frameworks and CIS Controls
Network Security
- Defensible Network Architecture
- Network Security Devices
- Networking & Protocols
- Wireless Network Security
Cryptography and Communications
- Cryptography
- Cryptography Application
- Web Communication Security
Endpoint and Platform Security
- Container and MacOS Security
- Endpoint Security
- Linux Fundamentals
- Linux Security and Hardening
- Windows Access Controls
- Windows as a Service
- Windows Automation, Auditing, and Forensics
- Windows Security Infrastructure
- Windows Services and Microsoft Cloud
Security Operations and Incident Response
- Incident Handling & Response
- Log Management & SIEM
- Malicious Code & Exploit Mitigation
- Vulnerability Scanning and Penetration Testing
Data Protection and Emerging Technologies
- Data Loss Prevention and Mobile Device Security
- Enforcing Windows Security Policy
- Virtualization, Cloud Security, and AI Essentials
On the day
The exam itself
Everything GIAC (SANS) publishes about sitting it, and nothing we inferred.
Prerequisites
No mandatory prerequisites — this certification has no required predecessor exam or credential.
CertificationGIAC Security Essentials
Exam formatCyberLive: Performance-based, hands-on challenges in realistic lab environments
Duration240 minutes
Questions106 questions
Passing score72%
DeliveryGIAC
LanguagesEnglish
PricingUS $499
After you pass
Where this credential goes next
The path GIAC (SANS) lays out, how the credential is kept, and where to book.
Step-by-step path to GIAC Security Essentials
Credential earnedGIAC Security Essentials Certification Renewal and maintenance
GIAC certifications must be renewed every four years by earning 36 Continuing Professional Education (CPE) credits or by retaking the exam. Stay current with the latest technologies and maintain your certification.
Learn more about renewal requirements Lifecycle status
This certification is currently active and available. GIAC (SANS) maintains this certification to validate current skills and industry relevance.
Exam status: ActiveMaintained by GIAC (SANS)
Exam registration
Register for the exam through GIAC, GIAC (SANS)’s authorized testing partner.
Schedule your examVisit the official GIAC (SANS) certification page for exam policies and requirements.
View the official pageYour coach
And when you are serious, your coach Pip takes over
Your coach in the app reads what you have answered with the book closed and tells you one thing to do tonight. It will not count an answer you gave with the page open, and it will tell you when you are not ready.
See how the coach worksBefore you book
Questions people ask
What is the CyberLive exam format for GSEC?
CyberLive is a hands-on exam format that replaces traditional multiple-choice testing with performance-based challenges in realistic lab environments. It uses full-scale virtual machines, real security tools, and authentic code to validate real-world capability.
How is the GSEC exam proctored?
All GIAC Certification exams are web-based and required to be proctored. There are two proctoring options: remote proctoring through ProctorU and onsite proctoring through PearsonVUE.
How long do I have to complete my GSEC certification attempt after registration?
You have 120 days from the date of activation to complete your certification attempt. Your attempt will be activated in your GIAC account after your application has been approved and according to the terms of your purchase.
Can I use GSEC as a stepping stone to other GIAC certifications?
Yes, GSEC is one of GIAC's Practitioner Certifications. You can combine it with other certifications to build a portfolio and earn the GIAC Security Professional (GSP) or GIAC Security Expert (GSE) credential.
What job roles does the GSEC certification map to?
GSEC is designed for new InfoSec professionals, security professionals, managers, administrators, operations personnel, IT engineers, supervisors, forensic analysts, penetration testers, and auditors.
How can I prepare for the GSEC exam?
GIAC recommends SANS-aligned training, such as the SEC401: Security Essentials course, which is available in live and OnDemand formats. Practice tests are also available to simulate the real exam and gauge your preparation.
Information freshness · Content last reviewed on 2026-07-30 Up to date
Practice free questions 1175 questions, free, no account needed.
The curriculum
The whole exam, mapped and written
Every domain, every objective, and every concept GIAC (SANS) measures — each one written out.
6domains
26objectives
224concepts
245free pages
The domains, and what sits inside them
Every objective below is a page you can open and practise now, without an account.
The official GIAC (SANS) exam outline · checked 30 July 2026 · See the source
1Foundations of Security132 questions
2Network Security203 questions
3Cryptography and Communications136 questions
4Endpoint and Platform Security376 questions
Container and MacOS Security7 concepts · 9 pagesOpen →Endpoint Security6 concepts · 8 pagesOpen →Linux Fundamentals10 concepts · 9 pagesOpen →Linux Security and Hardening10 concepts · 8 pagesOpen →Windows Access Controls13 concepts · 9 pagesOpen →Windows as a Service5 concepts · 7 pagesOpen →Windows Automation, Auditing, and Forensics10 concepts · 10 pagesOpen →Windows Security Infrastructure12 concepts · 10 pagesOpen →Windows Services and Microsoft Cloud7 concepts · 9 pagesOpen →
5Security Operations and Incident Response189 questions
6Data Protection and Emerging Technologies139 questions
Not a table of contents
Every line on this map already opens
In front of every objective the practice pages are already there, free and without an account. This is one objective, opened.
Access Control & Password Management8 pagesOpen →
Free in front of it
38 questions on this objective, five to a page. Every range above is a real page, open now, with no account.
Reading the map is not the same as knowing the ground
The curriculum tells you what is on the exam. Proving you know it is a different job — and it is the one the closed-book run does.
Free questions
1175 questions. No account, no card.
The whole bank is open. 5 questions to a page, every answer explained, and a discussion thread on each one.
1175questions
245pages
26objectives
Freealways
Browse by domain
Every objective, and every page range, is a link — so you can pick up exactly where you left off.
1Foundations of Security132 questions
2Network Security203 questions
3Cryptography and Communications136 questions
4Endpoint and Platform Security376 questions
5Security Operations and Incident Response189 questions
6Data Protection and Emerging Technologies139 questions
What a practice page gives you
1Five to a page
Short enough to finish, long enough to matter.
2Every answer explained
Not only which one is right — why the others are wrong.
3A discussion on each
Ask, answer, and vote. Every question has its own thread.
A question, and the idea behind it
Every question comes from a concept
These are not trivia. Each one is written against a concept in the book, so when you get one wrong there is somewhere to go and find out why.
The visual book
See it once. Carry it into the exam.
The pages shown here come from our AI-900 book — an example of how each concept is written in plain language and, where the idea needs one, drawn as a full page you can take in at a glance.
224concepts
1175free questions
Why a picture, and not another paragraph
Three reasons, and each one is a real finding rather than a slogan.
You can see it againThe whole idea at onceWhere it starts, what happens in the middle, what comes out, and the mistake to avoid.
Multimedia principle · MayerThe look-alikes sit togetherThe pairs the exam tests are drawn side by side, so the difference is seen, not told.
Dual coding · PaivioWhat one page is made of
You are never asked to read a poster here — only to see how one is built. After that, every other page is legible at a glance.
1A numbered strip on top
The idea as a sequence, followed with a finger before a word is read.
2Panels for the parts
What it is, how the machine learns it, when it is the right tool.
3The trap, framed
The distinction the exam tests, given its own box instead of buried in prose.
4One line at the bottom
The sentence to carry into the exam room.
Open book, on purpose
Answer it with the picture beside you
This is the part that teaches. The illustration and the written explanation stay where they are while you work, so a scenario stops being a memory test and becomes something you can simply look at.
It teaches · it does not count
A smartphone uses AI to unlock when the owner looks at the camera. Which AI capability is being used?
AImage classification
BFacial recognition
COptical character recognition
DObject detection
Look at the five steps. Detect finds a face, align straightens it, encode turns it into numbers, search compares it with a stored face, and decide answers one question: is this the same person? Classification would only say “a face”. Detection would only draw a box. Neither decides whose.
Then the page shuts, and it starts counting
The same questions come back with the book closed — that run is the one that counts. After it, your coach picks one thing for tonight, sized to the time you have, and brings pages back before you lose them.
Testing effect · Roediger & Karpicke 2006 · spacing effect · Cepeda et al. 2006
Official resources
Straight from GIAC (SANS)
Where the exam is defined, scheduled and scored.
4official links
224concepts mapped
The source
GIAC (SANS)’s own pages
We link to them rather than repeat them, so nothing here goes stale behind them.
Checked against the source
Every objective on the official GIAC (SANS) outline already has questions here
We build from the official skills outline, not from a summary of it — 26 objectives, 224 concepts written under them, and free questions against every one. When GIAC (SANS) changes the outline, this page changes with it.
26objectives on the outline→224concepts written→1175free questions
An official page tells you what will be asked. It cannot tell you what you will get right.
That is the only question worth answering the night before, and no link answers it. You answer it by taking the questions with the book closed, and seeing what comes back.