Security Testing Interview Questions

Authentication testing involves: 1) Testing login/logout flows, 2) Handling different authentication methods (OAuth, JWT), 3) Testing session management, 4) Verifying token handling, 5) Testing authentication error scenarios, 6) Implementing secure credential management in tests.

Sensitive data handling includes: 1) Using environment variables for credentials, 2) Never committing sensitive data to source control, 3) Implementing secure data storage, 4) Proper cleanup of sensitive data after tests, 5) Using encryption when necessary.

Authorization testing involves: 1) Verifying role-based access control, 2) Testing permission levels, 3) Checking protected resource access, 4) Testing authorization bypass attempts, 5) Verifying proper access restrictions.

CSRF testing includes: 1) Verifying CSRF token presence, 2) Testing token validation, 3) Checking token rotation, 4) Testing invalid token scenarios, 5) Verifying protection on sensitive operations.

SSL/TLS testing involves: 1) Verifying secure connection establishment, 2) Testing certificate validation, 3) Checking protocol versions, 4) Testing mixed content handling, 5) Verifying secure cookie attributes.

XSS testing basics include: 1) Testing input validation, 2) Checking output encoding, 3) Testing script injection scenarios, 4) Verifying content security policies, 5) Testing HTML sanitization.

Cookie security testing includes: 1) Verifying secure flag presence, 2) Testing HttpOnly attribute, 3) Checking SameSite attributes, 4) Testing expiration handling, 5) Verifying domain restrictions.

HTTP header testing involves: 1) Verifying security headers presence, 2) Testing CORS headers, 3) Checking content security policies, 4) Testing cache control headers, 5) Verifying X-Frame-Options.

Password policy testing includes: 1) Testing password complexity requirements, 2) Verifying password change flows, 3) Testing password reset functionality, 4) Checking password storage security, 5) Testing password expiration.

Input validation testing includes: 1) Testing boundary values, 2) Checking special character handling, 3) Testing size limits, 4) Verifying data type validation, 5) Testing sanitization procedures.

SQL injection testing involves: 1) Testing input sanitization, 2) Verifying parameterized queries, 3) Testing special character handling, 4) Checking error messages, 5) Testing boundary cases.

Rate limiting testing includes: 1) Testing request frequency limits, 2) Verifying throttling mechanisms, 3) Testing bypass attempts, 4) Checking rate limit headers, 5) Testing recovery periods.

Session testing involves: 1) Testing session creation/destruction, 2) Verifying session timeout, 3) Testing concurrent sessions, 4) Checking session fixation protection, 5) Testing session hijacking prevention.

File upload security testing includes: 1) Testing file type restrictions, 2) Verifying size limits, 3) Testing malicious file detection, 4) Checking file content validation, 5) Testing storage security.

API security testing involves: 1) Testing authentication mechanisms, 2) Verifying authorization rules, 3) Testing input validation, 4) Checking rate limiting, 5) Testing error handling.

Error handling testing includes: 1) Testing error messages, 2) Verifying error logging, 3) Testing recovery procedures, 4) Checking security information leakage, 5) Testing error response formats.

Information disclosure testing includes: 1) Checking error messages, 2) Testing debug information, 3) Verifying sensitive data exposure, 4) Testing metadata leakage, 5) Checking source code exposure.

Secure communication testing includes: 1) Testing encryption implementation, 2) Verifying secure protocols, 3) Testing certificate handling, 4) Checking secure channel usage, 5) Testing connection security.

Security misconfiguration testing includes: 1) Checking default settings, 2) Testing security headers, 3) Verifying secure defaults, 4) Testing configuration changes, 5) Checking error handling configuration.

Access control testing includes: 1) Testing role hierarchies, 2) Verifying permission inheritance, 3) Testing access restrictions, 4) Checking privilege escalation, 5) Testing separation of duties.

Advanced authentication testing includes: 1) Testing multi-factor authentication, 2) Implementing complex authentication flows, 3) Testing single sign-on, 4) Testing federation scenarios, 5) Advanced token handling.

Advanced authorization testing includes: 1) Testing complex permission models, 2) Implementing attribute-based access control testing, 3) Testing dynamic authorization, 4) Testing delegation scenarios, 5) Advanced role testing.

Advanced session testing includes: 1) Testing distributed sessions, 2) Implementing complex session scenarios, 3) Testing session synchronization, 4) Advanced timeout testing, 5) Testing session recovery.

Microservices security testing includes: 1) Testing service-to-service authentication, 2) Implementing distributed security testing, 3) Testing service mesh security, 4) Testing API gateway security, 5) Advanced service isolation testing.

Advanced encryption testing includes: 1) Testing encryption protocols, 2) Implementing key management testing, 3) Testing encryption algorithms, 4) Testing secure data transmission, 5) Advanced cryptographic testing.

Container security testing includes: 1) Testing container isolation, 2) Implementing security scanning, 3) Testing container configuration, 4) Testing image security, 5) Advanced container orchestration security.

Advanced API security testing includes: 1) Testing API gateways, 2) Implementing complex authentication flows, 3) Testing API versioning security, 4) Advanced rate limiting testing, 5) Testing API composition security.

Cloud security testing includes: 1) Testing cloud service security, 2) Implementing cloud configuration testing, 3) Testing cloud access controls, 4) Testing cloud data security, 5) Advanced cloud service integration security.

Compliance testing includes: 1) Testing regulatory requirements, 2) Implementing audit trail testing, 3) Testing compliance controls, 4) Testing data protection requirements, 5) Advanced compliance verification.