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Courses
Product Management
New
Ace product interviews from strategy cases to technical skills.
Engineering Management
Review key leadership and people management skills.
Software Engineering
Learn essential strategies for coding problems and more.
System Design
Define architectures, interfaces, and databases in a time crunch.
Data Science
Execute statistical techniques and experimentation effectively.
Machine Learning
Review building, evaluating, and deploying AI/ML models.
Data Engineering
Design complex data models and ETL pipelines.
Data Analytics
Translate data into actionable insights and business decisions.
View all courses
Loops
Experiences
Questions
Product Management
Behavioral Questions
Coding Questions
System Design
SQL Questions
Machine Learning
Data Analytics
Data Engineering
Browse all questions
Practice
Coaching
Mock Interviews & Coaching
Practice with our team of senior tech coaches.
Resume Review
Get your resume reviewed by a senior tech recruiter.
Salary Negotiation
Increase your offer with our expert negotiators.
Pricing
More
Job Referrals
Get job referrals to top tech companies.
Blog
Check out our blog on tech interviewing tips, strategies, and more.
Resources
Members-only articles, videos, and interviews.
Work with us
Help us grow the Exponent community.
Perks
Access exclusive member benefits.
For universities
Give your students tech interview prep.
For businesses
Improve your placement rates, outcomes, and more.
For recruiters
Post a job on Exponent's exclusive job board.
Affiliate program
Recommend us to others and earn commission.
Sign up
Log in
Security Engineer Interview Prep
Security Engineer Interviews Introduction
Welcome to Exponent’s Security Engineer Interview Course
What is a Security Engineer
The Security Engineer Interview Loop
Breaking into Security Engineering
Behavioral Questions for Security Engineers
Overview
Introduction to Behavioral Questions
Behavioral Questions Rubric
STAR for Security Engineers
Creating a Story Bank
Mock Interviews
Handling Pressure, Leading & Training Teams
Favorite Tools, Big Picture, Home Lab
Staying Current, Using AI, Explaining Risk
Technical Questions for Security Engineers
Overview
Introduction to Technical Questions
Technical Questions Rubrics
Frameworks Quick Guide (SALT, STRIDE, DREAD)
Network Security
Systems and Network Security
Network and Protocol Security
Network and Protocol Attacks
Application Security
OWASP Top 10
Secure Coding Patterns
Authentication & Authorization
Identity and Access Management
OAuth 2.0, OIDC, and SAML
Access Control
Cryptography
Cryptography
TLS, Hashing, and Key Exchange
Cryptographic Failures
Threat Modeling & Secure Architecture
Threat Modeling Frameworks
Detection Engineering and Telemetry Design (On-Prem + Cloud)
Threat Intelligence Integration & Automation
Cloud & Infrastructure Security
Cloud Security
Container Security
Infrastructure-as-Code (IaC)
AI, Automation, and Risk Management
Python/Bash for Security Automation
Securing Build Pipelines (CI/CD + Supply Chain Security)
Using Generative AI for Security Engineering
Vulnerability Management & Prioritization (CVSS and Risk-Based Triage)
Mock Interviews
Ransomware, OWASP Top 10, Encryption
Securing Web App, Parsing Logs, Automation, Phishing Triage
Securing File Uploads, SSO, Identifying Vulnerabilities
Mock Interview: Design a Cyber Attack
Mock Interview: How Does the Internet Work?
Security System Design Interviews
Overview
Introduction to Security System Design Questions
How to Answer Security System Design Questions (SALT)
Security System Design Rubrics
Security Design Patterns
Secure Infrastructure & Hardening
Authentication & Authorization Architecture
Data Protection, Encryption & Key Management at Scale
Detection & Monitoring Design Patterns
Mock Interviews
Coming soon
Take-home Case Studies for Security Engineers
Introduction to Take-Home Case Studies
How to Tackle Take-Home Case Studies
Case Study Walkthrough: Secure Multi-Cloud SaaS
How to Communicate Security Risk to Non-Security Stakeholders
Software Engineering Coding Questions
Overview
Tips for Acing Technical Coding Interviews
Bonus: AI-Assisted Coding Round at Meta
Choosing the Right Language for Your Technical Interview
Practice: Move Zeros to End of Array
Practice: Remove Duplicates in String
Practice: Contiguous Subarray Sum
Fast Track
How to Prep for a Coding Interview Fast
Arrays, Two Pointers, Stacks, and Sliding Window
Binary Search, Heaps, and Intervals
Linked Lists, Trees, and Tries
Backtracking, Graphs, and DP
How to Answer Any Coding Interview Question
Time & Space Complexity
Understanding Big O Notation
Analyzing Time Complexity
Analyzing Space Complexity
Optimizing Your Algorithms
Coding Patterns
Introduction to Coding Patterns
Two Pointer
Prefix Sum
Tortoise & Hare
Sliding Window
Two Pass
Bit Manipulation
Cyclic Sort
Arrays
Arrays
Move Zeros to End of Array
Three Sum
Merge Intervals
Group Anagrams
Product of Array Except Self
Copy a Spiral Matrix
Maximum Subarray Sum
Container with Most Water
Task Scheduler
Trap Rain Water
Contiguous Subarray Sum
Hash Tables
Hash Tables
Maximum Profit
Difference of Arrays
Smallest Missing Integer
Two Sum
Boggle Board
Searching & Sorting
Sorting Algorithms
Binary Search
Number Finder
Find the Duplicates
K-Messed Array Sort
Rotations in Circularly Sorted Array
Koko Eating Bananas
Find the Peak Element
String Manipulation
Most Common Words
Valid Palindrome
Validate IP Address
Decrypt Message
Minimum Window Substring
Serialize and Deserialize Strings
Longest Substring Without Repeat
Remove Duplicates in String
Longest Palindromic Substring
Graphs
Graphs
Graph Search
Degrees of Friendship
Sentence Similarity
Number of Islands
Rotting Oranges
Course Schedule
Edit Distance
Redundant Connection
Trees
Trees
Balanced Tree
Diameter of a Tree
Validate Binary Search Tree
Construct Binary Tree
Implement Trie
Lowest Common Ancestor of a Binary Tree
Find Largest Smaller BST Key
BST Successor Search
Stacks & Queues
Stacks
Queues
Min Stack
Reverse a Sentence
Valid Parentheses
Daily Temperatures
Shortest Cell Path
Conversion Ratios
Linked Lists
Linked Lists
Reverse Linked List
Linked List Cycle
Merge Sort Doubly Linked List
Merge Linked Lists
LRU Cache
Heaps
Heaps
Find Largest Numbers
Buy and Sell Stock
Find Median from Data Stream
Meta Onsite Coding Round (Kth Largest Element in an Array and Minimum Remove to Make Valid Parentheses)
Recursion & Backtracking
Recursion
Fibonacci Numbers
Generate Parentheses
Subsets
Sales Path
Flatten a Dictionary
Build a Calculator
Permutations
Combination Sum
Implement Promise.all()
Sudoku Solver
Build a Basic Regex Parser
Dynamic Programming
Dynamic Programming
Climbing Stairs
Prime Numbers
Knapsack Problem
List the Difference Between Two Strings
Target Sum
Coin Change
Partition Equal Subset Sum
DNA Sequence
Unique Paths
Unlock full course
Security Engineer Interview Prep
Security Engineer Interviews Introduction
Welcome to Exponent’s Security Engineer Interview Course
What is a Security Engineer
The Security Engineer Interview Loop
Breaking into Security Engineering
Behavioral Questions for Security Engineers
Overview
Introduction to Behavioral Questions
Behavioral Questions Rubric
STAR for Security Engineers
Creating a Story Bank
Mock Interviews
Handling Pressure, Leading & Training Teams
Favorite Tools, Big Picture, Home Lab
Staying Current, Using AI, Explaining Risk
Technical Questions for Security Engineers
Overview
Introduction to Technical Questions
Technical Questions Rubrics
Frameworks Quick Guide (SALT, STRIDE, DREAD)
Network Security
Systems and Network Security
Network and Protocol Security
Network and Protocol Attacks
Application Security
OWASP Top 10
Secure Coding Patterns
Authentication & Authorization
Identity and Access Management
OAuth 2.0, OIDC, and SAML
Access Control
Cryptography
Cryptography
TLS, Hashing, and Key Exchange
Cryptographic Failures
Threat Modeling & Secure Architecture
Threat Modeling Frameworks
Detection Engineering and Telemetry Design (On-Prem + Cloud)
Threat Intelligence Integration & Automation
Cloud & Infrastructure Security
Cloud Security
Container Security
Infrastructure-as-Code (IaC)
AI, Automation, and Risk Management
Python/Bash for Security Automation
Securing Build Pipelines (CI/CD + Supply Chain Security)
Using Generative AI for Security Engineering
Vulnerability Management & Prioritization (CVSS and Risk-Based Triage)
Mock Interviews
Ransomware, OWASP Top 10, Encryption
Securing Web App, Parsing Logs, Automation, Phishing Triage
Securing File Uploads, SSO, Identifying Vulnerabilities
Mock Interview: Design a Cyber Attack
Mock Interview: How Does the Internet Work?
Security System Design Interviews
Overview
Introduction to Security System Design Questions
How to Answer Security System Design Questions (SALT)
Security System Design Rubrics
Security Design Patterns
Secure Infrastructure & Hardening
Authentication & Authorization Architecture
Data Protection, Encryption & Key Management at Scale
Detection & Monitoring Design Patterns
Mock Interviews
Coming soon
Take-home Case Studies for Security Engineers
Introduction to Take-Home Case Studies
How to Tackle Take-Home Case Studies
Case Study Walkthrough: Secure Multi-Cloud SaaS
How to Communicate Security Risk to Non-Security Stakeholders
Software Engineering Coding Questions
Overview
Tips for Acing Technical Coding Interviews
Bonus: AI-Assisted Coding Round at Meta
Choosing the Right Language for Your Technical Interview
Practice: Move Zeros to End of Array
Practice: Remove Duplicates in String
Practice: Contiguous Subarray Sum
Fast Track
How to Prep for a Coding Interview Fast
Arrays, Two Pointers, Stacks, and Sliding Window
Binary Search, Heaps, and Intervals
Linked Lists, Trees, and Tries
Backtracking, Graphs, and DP
How to Answer Any Coding Interview Question
Time & Space Complexity
Understanding Big O Notation
Analyzing Time Complexity
Analyzing Space Complexity
Optimizing Your Algorithms
Coding Patterns
Introduction to Coding Patterns
Two Pointer
Prefix Sum
Tortoise & Hare
Sliding Window
Two Pass
Bit Manipulation
Cyclic Sort
Arrays
Arrays
Move Zeros to End of Array
Three Sum
Merge Intervals
Group Anagrams
Product of Array Except Self
Copy a Spiral Matrix
Maximum Subarray Sum
Container with Most Water
Task Scheduler
Trap Rain Water
Contiguous Subarray Sum
Hash Tables
Hash Tables
Maximum Profit
Difference of Arrays
Smallest Missing Integer
Two Sum
Boggle Board
Searching & Sorting
Sorting Algorithms
Binary Search
Number Finder
Find the Duplicates
K-Messed Array Sort
Rotations in Circularly Sorted Array
Koko Eating Bananas
Find the Peak Element
String Manipulation
Most Common Words
Valid Palindrome
Validate IP Address
Decrypt Message
Minimum Window Substring
Serialize and Deserialize Strings
Longest Substring Without Repeat
Remove Duplicates in String
Longest Palindromic Substring
Graphs
Graphs
Graph Search
Degrees of Friendship
Sentence Similarity
Number of Islands
Rotting Oranges
Course Schedule
Edit Distance
Redundant Connection
Trees
Trees
Balanced Tree
Diameter of a Tree
Validate Binary Search Tree
Construct Binary Tree
Implement Trie
Lowest Common Ancestor of a Binary Tree
Find Largest Smaller BST Key
BST Successor Search
Stacks & Queues
Stacks
Queues
Min Stack
Reverse a Sentence
Valid Parentheses
Daily Temperatures
Shortest Cell Path
Conversion Ratios
Linked Lists
Linked Lists
Reverse Linked List
Linked List Cycle
Merge Sort Doubly Linked List
Merge Linked Lists
LRU Cache
Heaps
Heaps
Find Largest Numbers
Buy and Sell Stock
Find Median from Data Stream
Meta Onsite Coding Round (Kth Largest Element in an Array and Minimum Remove to Make Valid Parentheses)
Recursion & Backtracking
Recursion
Fibonacci Numbers
Generate Parentheses
Subsets
Sales Path
Flatten a Dictionary
Build a Calculator
Permutations
Combination Sum
Implement Promise.all()
Sudoku Solver
Build a Basic Regex Parser
Dynamic Programming
Dynamic Programming
Climbing Stairs
Prime Numbers
Knapsack Problem
List the Difference Between Two Strings
Target Sum
Coin Change
Partition Equal Subset Sum
DNA Sequence
Unique Paths
Unlock full course
Courses
Security Engineer Interview Prep
Software Engineering Coding Questions
String Manipulation
Minimum Window Substring
Medium
Premium
Lewin (Dropbox SWE) answers the minimum window substring interview question.
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