Detaillierter Kursinhalt
Day 1
Cyber security basics
- What is security?
- Threat and risk
- Cyber security threat types
- Consequences of insecure software
- Cloud security basics
- Cloud infrastructure basics
- Cloud architectures and security
- The Cloud Cube Model
- Attack surface in the cloud
- Cloud data security
- Data confidentiality and integrity in the cloud
- Data privacy in the cloud
- Compliance considerations
- Cloud deployment security
- Hardening cloud deployments
- Security of jump boxes
- Serverless computing and security
- Cloud security standards and best practices
- SOC compliance
- CSA controls
- Other standards
The OWASP Top Ten
- OWASP Top 10 – 2017
- A1 - 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
- NoSQL injection
- NoSQL injection specialties
- NoSQL injection in MongoDB
- NoSQL injection in DynamoDB
- SQL injection best practices
- Input validation
- Parameterized queries
- Lab – SQL injection best practices
- Additional considerations
- Case study – Hacking Fortnite accounts
- SQL injection protection and ORM
- Parameter manipulation
- CRLF injection
- Log forging
- Lab – Log forging
- Log forging – best practices
- HTTP response splitting
- CRLF injection
- Code injection
- Code injection via input()
- OS command injection
- Lab – Command injection
- OS command injection best practices
- Avoiding command injection with the right APIs
- Lab – Command injection best practices
- Case study – Shellshock
- Lab - Shellshock
- Case study – Command injection via ping
- Script injection
- Server-side template injection (SSTI)
- Lab – Template injection
Day 2 The OWASP Top Ten
- A2 - Broken Authentication
- Authentication
- Authentication basics
- Multi-factor authentication
- Multi-factor authentication best practices
- Authentication weaknesses - spoofing
- Spoofing on the Web
- Case study – PayPal 2FA bypass
- User interface best practices
- Lab – On-line password brute forcing
- Single sign-on (SSO)
- Single sign-on concept
- OAuth2
- OAuth2 basics
- OAuth2 in practice
- Best practices
- Configuration best practices
- Case study – Stealing SSO tokens from Epic Games accounts
- SAML
- SAML basics
- SAML profiles
- SAML security
- 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 None passwords
- Outbound password management
- Hard coded passwords
- Best practices
- Lab – Hardcoded password
- Protecting sensitive information in memory
- Challenges in protecting memory
- Inbound password management
- Session management
- Session management essentials
- Why do we protect session IDs – Session hijacking
- Session fixation
- Session invalidation
- Session ID best practices
- Session handling in Flask
- Cross-site Request Forgery (CSRF)
- Lab – Cross-site Request Forgery
- CSRF best practices
- CSRF defense in depth
- Lab – CSRF protection with tokens
- Cookie security
- Cookie security best practices
- Cookie attributes
- A3 - Sensitive Data Exposure
- Information exposure
- Exposure through extracted data and aggregation
- Case study – Strava data exposure
- System information leakage
- Leaking system information
- Information exposure best practices
- A4 - XML External Entities (XXE)
- DTD and the entities
- Entity expansion
- Lab – Billion laughs attack
- External Entity Attack (XXE)
- File inclusion with external entities
- Server-Side Request Forgery with external entities
- Lab – External entity attack
- Case study – XXE vulnerability in SAP Store
- Preventing XXE
- Lab – Using non-vulnerable parsers
- Authentication
Day 3
The OWASP Top Ten
- A5 - Broken Access Control
- Access control basics
- Failure to restrict URL access
- Confused deputy
- Insecure direct object reference (IDOR)
- Lab – Insecure Direct Object Reference
- Case study – Authorization bypass on Facebook
- Authorization bypass through user-controlled keys
- Lab – Horizontal authorization
- File upload
- Unrestricted file upload
- Good practices
- Lab – Unrestricted file upload
- A7 - 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
- XSS protection APIs in Python
- XSS protection in Jinja2
- Lab – XSS fix / stored
- Lab – XSS fix / reflected
- Additional protection layers
- Client-side protection principles
- A8 - Insecure Deserialization
- Serialization and deserialization challenges
- Integrity – deserializing untrusted streams
- Deserialization with pickle
- Lab – Deserializing with Pickle
- PyYAML deserialization challenges
- Integrity – deserialization best practices
- A9 - Using Components with Known Vulnerabilities
- Using vulnerable components
- Assessing the environment
- Hardening
- Untrusted functionality import
- Malicious packages in Python
- Importing JavaScript
- Lab – Importing JavaScript
- Case study – The British Airways data breach
- Vulnerability management
- Patch management
- Vulnerability management
- Bug bounty programs
- Vulnerability databases
- Vulnerability rating – CVSS
- DevOps, the build process and CI / CD
- Dependency checking in Python
- Lab – Detecting vulnerable components
- A10 - Insufficient Logging & Monitoring
- Logging and monitoring principles
- Insufficient logging
- Case study – Plaintext passwords at Facebook
- Logging best practices
- Monitoring best practices
- Web application security beyond the Top Ten
- Client-side security
- Same Origin Policy
- Lab – Same-origin policy demo
- Tabnabbing
- Frame sandboxing
- Cross-Frame Scripting (XFS) attack
- Lab - Clickjacking
- Clickjacking beyond hijacking a click
- Clickjacking protection best practices
- Lab – Using CSP to prevent clickjacking
Day 4
Cloud infrastructure security
- Container security
- Container security concerns
- Containerization, virtualization, and security
- Attack surface of container technologies
- Container security tools
- Docker security
- Docker and security
- Docker security features
- Common Docker security mistakes
- Docker security best practices
- Hardening Docker
- Lab – Static analysis of Docker image
- Kubernetes security
- The Kubernetes architecture and security
- Common Kubernetes security mistakes
- Securing Kubernetes hosts
- Best practices for Kubernetes access control
- Building secure Kubernetes images
- Secure deployment of Kubernetes containers
- Protecting Kubernetes deployments at runtime
- Lab – Scanning a Kubernetes image for vulnerabilities
- AWS security
- Security considerations
- AWS and security
- AWS security features
- The AWS shared responsibility model
- AWS cloud compliance
- AWS hardening
- Security tools for AWS
- Identity and access management (IAM)
- Identity and access management in AWS
- Access tokens
- Groups, roles and credentials
- Data security
- Data security in AWS
- Policies
- Storing cryptographic keys
- Protecting data at rest
- Protecting data in transit
- Detection and monitoring
- Utilizing AWS monitoring for security
- Protecting logs
- The AWS Security Hub
- Security considerations
API security
- Input validation
- Input validation principles
- Blacklists and whitelists
- Data validation techniques
- Lab – Input validation
- What to validate – the attack surface
- Where to validate – defense in depth
- When to validate – validation vs transformations
- Output sanitization
- Encoding challenges
- Unicode challenges
- Lab – Encoding challenges
- Validation with regex
- Integer handling problems
- Representing signed numbers
- Integer visualization
- Integers in Python
- Integer overflow
- Integer overflows in ctypes and numpy
- Value manipulation
- Setting manipulation
- Manipulating critical state data
- Resource manipulation
- Open redirects and forwards
- Case study – Unvalidated redirect at Epic Games
- Open redirects and forwards – best practices
- Files and streams
- Path traversal
- Path traversal-related examples
- Additional challenges in Windows
- Virtual resources
- Path traversal best practices
- Format string issues
- Input validation principles
XML security
- XML validation
- XML injection
- XPath injection
- Blind XPath injection
JSON security
- JSON validation
- JSON injection
- Dangers of JSONP
- JSON/JavaScript hijacking
- Best practices
- Case study – ReactJS vulnerability in HackerOne
Day 5
Denial of service
- Denial of Service
- Flooding
- Resource exhaustion
- Sustained client engagement
- Infinite loop
- Economic Denial of Sustainability (EDoS)
- Algorithm complexity issues
- Regular expression denial of service (ReDoS)
- Lab – ReDoS in Python
- Dealing with ReDoS
- Regular expression denial of service (ReDoS)
Cryptography for developers
- Cryptography basics
- Cryptography in Python
- Elementary algorithms
- Random number generation
- Pseudo random number generators (PRNGs)
- Cryptographically strong PRNGs
- Using virtual random streams
- Weak and strong PRNGs
- Using random numbers in Python
- Lab – Using random numbers in Python
- Case study – Equifax credit account freeze
- Hashing
- Hashing basics
- Common hashing mistakes
- Hashing in Python
- Lab – Hashing in Python
- Random number generation
- Confidentiality protection
- Symmetric encryption
- Block ciphers
- Modes of operation
- Modes of operation and IV – best practices
- Symmetric encryption in Python
- Lab – Symmetric encryption in in Python
- Asymmetric encryption
- Combining symmetric and asymmetric algorithms
- Symmetric encryption
- Integrity protection
- Message Authentication Code (MAC)
- MAC in Python
- Lab – Calculating MAC in Python
- Digital signature
- Digital signature in Python
- Lab – Digital signature with ECDSA in Python
- Message Authentication Code (MAC)
- Public Key Infrastructure (PKI)
- Some further key management challenges
- Certificates
- Chain of trust
- Certificate management – best practices
- Transport security
- Transport security weaknesses
- The TLS protocol
- TLS basics
- TLS features (changes in v1.3)
- The handshake in a nutshell (v1.3)
- TLS best practices
- TLS authentication best practices
- Lab – Using a secure socket in Python
- HTTP Strict Transport Security (HSTS)
- Lab – Setting HSTS in Python
Wrap up
- Secure coding principles
- Principles of robust programming by Matt Bishop
- Secure design principles of Saltzer and Schröder
- And now what?
- Software security sources and further reading
- Python resources