Top 36
Prep plan
Updated weekly · Last refresh Aug 30

PwC Security Engineer Interview Questions

The questions to prepare for a PwC Security Engineer interview. Questions from real interview reports rank first. Updated weekly.

36questions
~6htotal time
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1
CodingStart here. 13 questions · ~135 min
Validate Balanced Bracket StringEasy
Practice

Use a stack to validate whether a string has properly nested and matched brackets in linear time.

RecursionStackStringsPwC
Longest Common SubsequenceHard
Practice

Use dynamic programming to reconstruct a longest common subsequence shared by two Meta content strings.

RecursionDynamic ProgrammingStringsPwC
Reverse a Singly Linked ListEasy
Practice

Problem Given the head of a singly linked list, reverse the list and return the new head. Each node contains an integer value and a next pointer. You must...

RecursionLinked ListspointersPwC
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2
Strategy3 questions · ~31 min
GDPR Impact on SecurityMedium

Tests your ability to align security controls with GDPR requirements and risk management.

User NeedsRisk AssessmentPwC
Short and Long-Term Merger PrioritiesMedium

Evaluates your ability to plan security priorities across immediate integration and longer-term hardening.

PrioritizationPwC
Case Study: Finding Security SolutionsMedium

Tests your approach to scoping problems, proposing solutions, and communicating outcomes to clients.

Problem Solvingcase studyPwC

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3
Behavioral & Leadership18 questions · ~187 min
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4
More topics2 questions · ~21 min
Explaining XSS, SQLi, and Upload BypassHard

Evaluates your understanding of common web attack paths and how to reason about exploitation.

xsssql injectionPwC
CORS Risks and MitigationsMedium

Assesses your ability to prevent cross-origin data exposure through correct CORS configuration.

mitigationPwC
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