CT-STE Certified Tester Security Test Engineer Practice Questions
Prepare for CT-STE with more than an answer.
- Exam fee
- $249 USD
- Level
- Specialist
- Valid for
- lifetime
Domains covered on the exam 9
- Security Paradigm11%
- Security Test Techniques14%
- The Security Test Process12%
- Standards and Best Practices11%
- Adjusting to the Organizational Context11%
- Adjusting to Software Development Lifecycle Models11%
- Security Testing as Part of an Information Security Management System10%
- Reporting Test Results11%
- Security Test Tools9%
- 1
During the execution of a security test on a production web application, you discover a Critical vulnerability that allows unauthenticated remote code execution (RCE). What is the IMMEDIATE next step?
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Correct answer: A
Critical findings in production that pose imminent risk require immediate escalation. Continuing to test might trigger alarms or cause damage. The RoE dictates the communication protocol for critical findings.
- 2
You are preparing a test environment for a destructive security test (e.g., DDoS simulation). Which environment configuration is MANDATORY to prevent impact on business operations?
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Correct answer: B
Destructive tests can easily spill over (e.g., saturating shared bandwidth). Complete isolation ensures that the attack traffic does not affect production users or services.
- 3
In a 'Shift-Left' testing strategy, which activity belongs in the 'Design' phase of the Security Test Process?
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Correct answer: D
Shift-left means moving security earlier. The Design phase involves analyzing the architecture for flaws before code is written, typically via Threat Modeling.
- 4
A new banking application handles highly sensitive financial transactions. The team wants to use the OWASP Application Security Verification Standard (ASVS) to guide their testing. Which ASVS Level should be selected as the target for compliance?
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Correct answer: C
ASVS Level 3 is for critical applications performing high-value transactions, containing sensitive medical data, or requiring the highest level of trust. A banking app fits this description.
- 5
Select TWO key phases defined in the NIST SP 800-115 'Technical Guide to Information Security Testing and Assessment' methodology. (Select TWO)
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Correct answer: C, D
NIST 800-115 defines three main phases: 1. Planning, 2. Execution, 3. Post-Execution (Reporting).
Execution is the second main phase where discovery and attack occur.
- 6
A financial institution is migrating from a traditional perimeter-based security model to a Zero Trust Architecture (ZTA) following NIST SP 800-207 guidelines. The security test engineer is designing a test strategy to validate the 'Never Trust, Always Verify' principle for a critical internal banking application. The application previously relied solely on network segmentation (VLANs) for security. Which testing approach best validates the core Zero Trust requirement for this migration?
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Correct answer: A
Zero Trust mandates that no implicit trust is granted based on network location. Testing must confirm that every request is authenticated and authorized (dynamic authorization) and encrypted (mTLS), effectively treating the internal network as hostile.
- 7
During a security audit of an e-commerce platform, the lead auditor requests evidence of 'Asset Security Levels' implementation. You need to demonstrate that data protection mechanisms are aligned with data sensitivity.
Given the classification scheme below:
- Public: Marketing data
- Internal: Employee directories
- Confidential: Customer PII
- Restricted: Payment Card Data (PCI)
Which test scenario provides the strongest evidence of correct implementation?
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Correct answer: C
This tests the enforcement of the Bell-LaPadula or similar confidentiality models where access control must strictly align with classification levels. It proves the system distinguishes between specific high-value asset levels.
- 8
True or False: A security audit is primarily a dynamic activity that involves executing active attacks against a system to find vulnerabilities, whereas security testing is a static verification of compliance against a checklist.
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Correct answer: B
This statement is reversed. A security audit is typically a check of compliance against standards/policies (often static or interview-based), while security testing involves technical execution (dynamic analysis, penetration testing) to find actual vulnerabilities.
- 9
A development team is heavily utilizing Open-Source Software (OSS) libraries in a new microservice. As the Security Test Engineer, you are concerned about supply chain attacks and transitive dependencies. Which activity should be integrated into the CI/CD pipeline to specifically address this risk?
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Correct answer: A
SCA tools are specifically designed to analyze OSS components, map dependency trees (including transitive ones), create SBOMs, and check against vulnerability databases like NVD.
- 10
You are defining the security test strategy for a healthcare application handling Patient Health Information (PHI). The organization requires that no production data be used in lower environments (Dev/Test). What is the most appropriate approach for creating test data that maintains functional validity while satisfying security paradigms regarding data sensitivity?
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Correct answer: C
Synthetic data generation creates entirely new data that mimics the statistical properties and structure of real data without containing any actual PII, ensuring zero risk of data leakage while supporting functional testing.
