Detaillierter Kursinhalt
DAY 1
The OWASP Top Ten 2021
- A01 – Broken Access Control
- Access control basics
- Failure to restrict URL access
- Confused deputy
- Insecure direct object reference (IDOR)
- Lab – Insecure Direct Object Reference
- Authorization bypass through user-controlled keys
- Case study – Authorization bypass on Facebook
- Lab – Horizontal authorization
- File upload
- Unrestricted file upload
- Good practices
- Lab – Unrestricted file upload
- Cross-site Request Forgery (CSRF)
- Lab – Cross-site Request Forgery
- CSRF best practices
- CSRF defense in depth
- Lab – CSRF protection with tokens
- A02 – Cryptographic Failures
- Information exposure
- Exposure through extracted data and aggregation
- Case study – Strava data exposure
- System information leakage
- Leaking system information
- Information exposure best practices
- Cryptography for developers
- Cryptography basics
- Elementary algorithms
- Random number generation
- Pseudo random number generators (PRNGs)
- Cryptographically strong PRNGs
- Using virtual random streams
- Lab – Using random numbers
- Case study – Equifax credit account freeze
- Random number generation
- Confidentiality protection
- Symmetric encryption
- Block ciphers
- Modes of operation
- Modes of operation and IV – best practices
- Lab – Symmetric encryption
- Asymmetric encryption
- Combining symmetric and asymmetric algorithms
- Symmetric encryption
- Information exposure
The OWASP Top Ten 2021
- A03 – Injection
- Injection principles
- Injection attacks
- SQL injection
- SQL injection basics
- Lab – SQL injection
- Attack techniques
- Content-based blind SQL injection
- Time-based blind SQL injection
- SQL injection best practices
- Input validation
- Parameterized queries
- Lab – Using prepared statements
- Case study – Hacking Fortnite accounts
- Code injection
- OS command injection
- OS command injection best practices
- Case study – Shellshock
- Lab – Shellshock
- OS command injection
DAY 2
The OWASP Top Ten 2021
- A03 – Injection
- HTML injection – Cross-site scripting (XSS)
- Cross-site scripting basics
- Cross-site scripting types
- Persistent cross-site scripting
- Reflected cross-site scripting
- Client-side (DOM-based) cross-site scripting
- Lab – Stored XSS
- Lab – Reflected XSS
- Case study – XSS in Fortnite accounts
- XSS protection best practices
- Protection principles – escaping
- Lab – XSS fix / stored
- Lab – XSS fix / reflected
- Additional protection layers – defense in depth
- HTML injection – Cross-site scripting (XSS)
The OWASP Top Ten 2021
- A07 – Identification and Authentication Failures
- Authentication
- Authentication basics
- Multi-factor authentication
- Time-based One Time Passwords (TOTP)
- Authentication weaknesses
- Spoofing on the Web
- Case study – PayPal 2FA bypass
- User interface best practices
- Case study – Information disclosure in Simple Banking for Android
- Lab – On-line password brute forcing
- Password management
- Inbound password management
- Storing account passwords
- Password in transit
- Lab – Is just hashing passwords enough?
- Dictionary attacks and brute forcing
- Salting
- Adaptive hash functions for password storage
- Password policy
- NIST authenticator requirements for memorized secrets
- Password hardening
- Using passphrases
- Case study – The Ashley Madison data breach
- The dictionary attack
- The ultimate crack
- Exploitation and the lessons learned
- Password database migration
- (Mis)handling null passwords
- Outbound password management
- Hard coded passwords
- Best practices
- Lab – Hardcoded password
- Protecting sensitive information in memory
- Challenges in protecting memory
- Inbound password management
- Authentication
- A08 – Software and Data Integrity Failures
- Subresource integrity
- Importing JavaScript
- Lab – Importing JavaScript
- Case study – The British Airways data breach
- Insecure deserialization
- Serialization and deserialization challenges
- Integrity – deserializing untrusted streams
- Integrity – deserialization best practices
- Property Oriented Programming (POP)
- Creating payload
- Lab – Creating a POP payload
- Lab – Using the POP payload
- Summary – POP best practices
- Subresource integrity
Security testing
- Security testing techniques and tools
- Code analysis
- Static Application Security Testing (SAST)
- Dynamic analysis
- Security testing at runtime
- Penetration testing
- Stress testing
- Dynamic analysis tools
- Dynamic Application Security Testing (DAST)
- Web vulnerability scanners
- SQL injection tools
- Fuzzing
- Code analysis
Wrap up
- Secure coding principles
- Principles of robust programming by Matt Bishop
- And now what?
- Software security sources and further reading