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Security

docs/security.md

Security Guide

This document outlines the security measures, best practices, and policies implemented in the Cyber Training Platform.

Security Architecture

Authentication & Authorization

JWT Implementation

  • Token-based authentication using JWT
  • Short-lived access tokens (15 minutes)
  • Refresh tokens with secure rotation
  • Token blacklisting for revocation

Role-Based Access Control (RBAC)

Roles:
├── Admin
│   └── Full system access
├── Instructor
│   ├── Create/manage courses
│   ├── View student progress
│   └── Manage lab templates
└── Student
    ├── Access assigned labs
    └── Submit work

Network Security

Lab Network Isolation

┌─────────────────┐     ┌──────────────┐     ┌─────────────┐
│ Public Network  │────▶│   Firewall   │────▶│  Lab VLAN   │
└─────────────────┘     └──────────────┘     └─────────────┘
                                                    │
                                            ┌───────┴───────┐
                                            │ Isolated VMs  │
                                            └───────────────┘

Network Controls

  • Dedicated VLAN per lab environment
  • Network segmentation
  • Traffic filtering
  • Rate limiting
  • DDoS protection

Data Security

Data Classification

  1. Critical
    • Authentication credentials
    • Encryption keys
    • Personal information
  2. Sensitive
    • Lab configurations
    • User progress
    • Assessment data
  3. Public
    • Course catalogs
    • Public documentation

Data Protection

  • Encryption at rest (AES-256)
  • TLS 1.3 for data in transit
  • Regular backup encryption
  • Secure key management

Security Controls

Application Security

Input Validation

  • Strict type checking
  • Input sanitization
  • Parameter validation
  • File upload restrictions

Example:

def validate_lab_name(name: str) -> bool:
    """
    Validate lab name against security rules.
    - Alphanumeric characters only
    - Length between 3-50 characters
    - No special characters except hyphen and underscore
    """
    pattern = r'^[a-zA-Z0-9-_]{3,50}$'
    return bool(re.match(pattern, name))

Output Encoding

  • HTML encoding
  • JSON encoding
  • URL encoding
  • SQL parameter binding

Infrastructure Security

Server Hardening

  1. OS Hardening

    • Minimal package installation
    • Regular security updates
    • Disabled unnecessary services
    • SELinux/AppArmor configuration
  2. Service Hardening

    • Secure configurations
    • Version control
    • Regular updates
    • Security scanning

Container Security

  • Minimal base images
  • No root containers
  • Image scanning
  • Resource limitations

Monitoring & Logging

Security Monitoring

┌─────────────┐     ┌──────────────┐     ┌─────────────┐
│ App Logs    │────▶│ Log Shipper  │────▶│ SIEM System │
└─────────────┘     └──────────────┘     └─────────────┘
      │                                         │
      │                                         │
┌─────▼─────┐                           ┌──────▼──────┐
│ Metrics   │                           │ Alert System │
└───────────┘                           └─────────────┘

Logging Requirements

  • Timestamp in UTC
  • Source identifier
  • Event severity
  • User identifier
  • Action details
  • IP address

Example log format:

{
  "timestamp": "2023-12-01T10:00:00Z",
  "level": "WARNING",
  "user_id": "user123",
  "action": "lab_access",
  "ip": "192.168.1.100",
  "details": {
    "lab_id": "lab456",
    "status": "unauthorized_attempt"
  }
}

Security Procedures

Incident Response

Response Process

  1. Detection

    • Automated alerts
    • User reports
    • System monitoring
  2. Analysis

    • Impact assessment
    • Scope determination
    • Root cause analysis
  3. Containment

    • Isolate affected systems
    • Block malicious activity
    • Preserve evidence
  4. Remediation

    • Fix vulnerabilities
    • Update systems
    • Restore services
  5. Post-Incident

    • Documentation
    • Lessons learned
    • Process improvement

Vulnerability Management

Assessment Schedule

  • Weekly automated scans
  • Monthly manual testing
  • Quarterly penetration testing
  • Annual security audit

Remediation SLAs

Severity Response Time Resolution Time
Critical 1 hour 24 hours
High 4 hours 72 hours
Medium 24 hours 1 week
Low 1 week 1 month

Access Control

Password Policy

  • Minimum 12 characters
  • Complexity requirements
  • 90-day expiration
  • No password reuse
  • MFA requirement

Session Management

  • 15-minute idle timeout
  • Secure session storage
  • Session invalidation
  • Concurrent session limits

Security Best Practices

Development Security

Secure Coding Guidelines

  1. Input Validation

    # Good
    def process_input(data: str) -> bool:
        if not validate_input(data):
            raise ValidationError("Invalid input")
        return process_validated_data(data)
    
    # Bad
    def process_input(data: str) -> bool:
        return process_data(data)  # No validation
  2. Authentication

    # Good
    def authenticate(user: User) -> bool:
        return verify_password_hash(user.password_hash)
    
    # Bad
    def authenticate(user: User) -> bool:
        return user.password == stored_password  # Plain text comparison

Operations Security

Deployment Security

  • Automated security testing
  • Configuration validation
  • Secrets management
  • Rollback capability

Maintenance Windows

  • Scheduled updates
  • Change management
  • Testing requirements
  • Communication plan

Compliance & Auditing

Compliance Requirements

Data Protection

  • GDPR compliance
  • Data retention
  • Privacy controls
  • User consent

Security Standards

  • ISO 27001
  • SOC 2
  • NIST guidelines
  • Industry standards

Security Auditing

Audit Schedule

  • Daily automated checks
  • Weekly security reviews
  • Monthly compliance checks
  • Annual external audit

Audit Logs

  • System access logs
  • Change management logs
  • Security event logs
  • Compliance reports

Security Training

User Training

Required Training

  1. Security awareness
  2. Password management
  3. Phishing prevention
  4. Incident reporting

Training Schedule

  • New user onboarding
  • Quarterly refreshers
  • Annual certification
  • Ad-hoc updates

Developer Training

Security Topics

  1. Secure coding practices
  2. Common vulnerabilities
  3. Security testing
  4. Incident response

Validation

  • Code review requirements
  • Security checkpoints
  • Testing requirements
  • Documentation standards

Emergency Procedures

Contact Information

Security Team

Escalation Path

  1. On-call engineer
  2. Security team lead
  3. CTO
  4. CEO

Recovery Procedures

System Recovery

  1. Assess damage
  2. Isolate systems
  3. Restore from backup
  4. Verify integrity
  5. Resume operations

Communication Plan

  1. Internal notification
  2. User communication
  3. Stakeholder updates
  4. Public disclosure

Security Updates

This document should be reviewed and updated:

  • Quarterly for regular updates
  • Immediately after security incidents
  • When new threats emerge
  • During system changes

Last Updated: [Current Date] Version: 1.0

There aren’t any published security advisories