AWS Certified Security Specialty practice questions
Original questions written from the published exam objectives, never recalled exam content, with an explanation that teaches the concept behind every answer. Why that matters.
- Exam code
- SCS-C03
- Cost
- $300 USD
- Questions
- 65
- Duration
- 170 minutes
- Passing score
- 750 (scale 100-1000)
- Format
- Multiple choice and multiple response
The SCS-C03 exam costs $300. Fail it and the retake is another $300. Practicing until you are ready is the cheapest part of this. Full cost breakdown.
Exam domains and official weightings
From the official AWS exam guides. Put your study time where the weight is.
- Threat Detection and Incident Response14%
- Security Logging and Monitoring18%
- Infrastructure Security20%
- Identity and Access Management16%
- Data Protection18%
- Management and Security Governance14%
- Threat Detection and Incident Response14%
- Security Logging and Monitoring18%
- Infrastructure Security20%
- Identity and Access Management16%
- Data Protection18%
- Management and Security Governance14%
Where to focus: Logging, data protection, and infrastructure security are 56 percent together. Know exactly which service produces which log, and where each one lands.
Try 5 free sample questions
No account needed. Every question includes our three-tier explanation: the concept, why the answer follows, and why each wrong option is wrong.
Sample question 1 of 5
A role's identity policy allows s3:GetObject on a bucket. The bucket policy allows the same action for that role. A service control policy on the account's organizational unit denies all S3 actions. What is the result of a GetObject call?
Sample question 2 of 5
A role in account B has an IAM policy allowing kms:Decrypt on a customer managed key that lives in account A. Decryption still fails with an access denied error. What is missing?
Sample question 3 of 5
You need to know which principal deleted a specific S3 object and when. Which log source answers that?
Sample question 4 of 5
GuardDuty reports UnauthorizedAccess:IAMUser/InstanceCredentialExfiltration, meaning an EC2 instance role's credentials were used from outside AWS. What is the correct first action?
Sample question 5 of 5
A public API behind an Application Load Balancer is being hit by a flood of requests from many addresses, all requesting the same expensive endpoint. Which control addresses this most directly?
Full Security Specialty question bank coming
We’re writing the complete bank from the official objectives right now. Leave your email and we’ll tell you when it ships, nothing else, ever.
What the exam actually asks you to do
Multiple choice and multiple response only. No simulations, no labs, and nothing to configure.
- Multiple choice
- Multiple response
Nothing here needs a lab. Reading carefully and eliminating options is the whole skill. AWS, Security Specialty exam guide ↗
An honest study plan
1. Read the official objectives first
Download the official objectives from AWS and skim every line. The exam can only test what’s listed there, it’s the contract.
2. Weight your study toward Infrastructure Security and Security Logging and Monitoring
Together the top two domains are 38% of the exam. Practice them until your accuracy is consistently above 80%.
3. Drill weak domains, then take a mock exam
Use Domain Drill on your weakest areas, then a full timed mock at real length (65 questions, 170 minutes). Book the real exam when you’re consistently passing mocks, not before.
Official free resources
Study from the source. These are AWS’s own materials:
Official Security Specialty exam page & objectives ↗Where Security Specialty fits
Related certifications
Frequently asked questions
How hard is the AWS Security Specialty?
It is one of the less forgiving AWS exams. Questions are long, several options are defensible, and the right answer usually turns on one detail of IAM policy evaluation or KMS key policy. Associate-level pattern matching does not carry you through it.
Do I need Solutions Architect Associate first?
AWS removed the formal prerequisite, but the exam assumes you can already read a VPC design and reason about cross-account access. Most people who pass have real operational time in AWS, not just an associate cert.
What should I study first for SCS-C03?
IAM policy evaluation logic, then KMS. Between identity, data protection, and infrastructure security they are more than half the exam, and almost every scenario question reduces to which policy or key grant applies.
Are there labs on this exam?
No. It is multiple choice and multiple response only. That does not make it easier, because the questions describe situations you can only answer if you have built the thing being described.
Ready to practice for SCS-C03?
Play the free samples now. The full question bank is in progress, and you can join the waitlist on any sample question.
Payment is not switched on yet. Everything free stays free either way, and explanations are never behind a payment.
$29 buys the Security Specialty bank for good, including everything added to it later. Right now that is 5 sample questions, so buy it to back the work rather than for what is there today. Or go Pro for every certification.