Security Best Practices

Ferrocodex is designed with security as a core principle. This guide covers security features and best practices for protecting your industrial configurations.

Security Architecture 

Core Security Features 

AES-256 Encryption: All data encrypted at rest
Bcrypt Password Hashing: Industry-standard password protection
Identity Vault: Secure credential storage with rotation tracking
Role-Based Access Control: Granular permission system
Comprehensive Audit Trail: Immutable activity logging
Session Management: Secure token-based authentication
Input Validation: Protection against injection attacks
Asset Naming Security (v0.5.0): Cybersecurity-compliant naming enforcement
File Integrity Verification (v0.5.0): SHA-256 checksums for all uploads
Metadata Validation (v0.5.0): JSON schema validation for custom fields

Data Protection 

Encryption at Rest:

Database encrypted with AES-256
Master password protects encryption keys
Configuration files encrypted before storage
Automatic encryption for all sensitive data

Encryption in Transit:

Internal IPC communications secured
No network transmission in offline mode
Export files can be encrypted
Secure key derivation functions

Access Control 

User Roles 

Administrator Role:

Create and manage users
View all audit logs
System configuration
Import/export capabilities
Access all assets and configurations

Engineer Role:

Manage assets and configurations
Create branches
View own audit entries
Cannot manage users
Cannot access system settings

Password Policies 

Requirements:

Minimum 8 characters
Must include letters and numbers
No common passwords allowed
Password history enforcement
Forced change on first login

Best Practices:

Use strong, unique passwords
Enable password managers
Regular password rotation
No password sharing
Avoid pattern-based passwords

Session Security 

Token-based authentication
Automatic session timeout
Concurrent session limits
Session invalidation on logout
Activity monitoring

Asset Naming Security (v0.5.0)

Cybersecurity-Compliant Naming 

Ferrocodex v0.5.0 enforces strict naming conventions to prevent security vulnerabilities:

Naming Pattern Requirements:

^[A-Z0-9][A-Z0-9_-]{2,49}$

Security Benefits:

Path Traversal Prevention: No ../ or special characters
Command Injection Protection: No shell metacharacters
SQL Injection Prevention: Restricted character set
Cross-Site Scripting (XSS) Prevention: No HTML/JavaScript characters
Unicode Attack Prevention: ASCII-only enforcement

Reserved Name Blocking:

The following Windows reserved names are automatically blocked:

System devices: CON, PRN, AUX, NUL
Serial ports: COM1 through COM9
Parallel ports: LPT1 through LPT9

File Upload Security:

Filename Sanitization: Automatic cleaning of uploaded filenames
Extension Validation: Checked against security policies
Path Component Validation: No directory traversal sequences
Length Limits: Maximum 255 characters enforced
SHA-256 Verification: Integrity checking for all uploads

Metadata Security (v0.5.0)

Field Validation:

Input Sanitization: All metadata inputs sanitized
Type Enforcement: Strict type checking for fields
Pattern Validation: Regex patterns for text fields
Range Validation: Min/max for numeric fields
JSON Schema Validation: Structure validation for complex data

SQL Injection Prevention:

Parameterized Queries: All metadata queries use parameters
Input Escaping: Special characters properly escaped
Type Casting: Explicit type conversion
Query Validation: No dynamic SQL generation

Cross-Site Scripting (XSS) Prevention:

Output Encoding: HTML entity encoding for display
Content Security Policy: Strict CSP headers
Input Filtering: Remove script tags and events
Template Sanitization: Safe rendering of metadata

Security Classification System 

Assets can be tagged with security classifications affecting system behavior:

Classification Levels:

Public: No restrictions
Internal: Company-wide access
Confidential: Department-level access
Secret: Need-to-know basis
Top Secret: Maximum security

Classification Enforcement:

Search Filtering: Results filtered by user clearance
Export Restrictions: Higher classifications require approval
Audit Detail: More logging for sensitive assets
Access Control: Automatic permission adjustment
Compliance Tracking: Classification-based reporting

Physical Security 

Workstation Security 

Lock workstations when unattended
Encrypted hard drives recommended
Antivirus software up-to-date
Operating system patches current
Firewall enabled

Installation Security 

Install only from official sources
Verify digital signatures
Restrict installation privileges
Document installation locations
Control application access

Operational Security 

Audit Log Management 

Regular Review:

Check failed login attempts
Monitor configuration changes
Verify user activities
Investigate anomalies
Export logs for archival

Retention Policies:

Determine retention requirements
Regular log exports
Secure archive storage
Compliance documentation

Backup and Recovery 

Backup Strategy:

Regular Exports: Schedule periodic full exports
Secure Storage: Encrypt backup files
Offsite Copies: Store backups separately
Test Recovery: Verify backup integrity
Document Process: Clear recovery procedures

Recovery Planning:

Master password recovery process
User account recovery
Configuration restoration
Audit trail preservation
Business continuity planning

Network Security 

Air-Gapped Operations 

Ferrocodex is designed for air-gapped environments:

No internet connectivity required
No automatic updates
No telemetry or analytics
Complete offline functionality
Manual update process

If Network Connected 

If using Ferrocodex on connected systems:

Isolate on separate VLAN
Firewall rules restricting access
No internet access from application
Monitor network activity
Regular security scans

Identity Vault Security 

The Identity Vault provides defense-in-depth security for credential management with multiple layers of protection.

Vault Encryption Architecture 

Multi-Layer Encryption:

Vault Creation: Each vault gets a unique encryption key
Key Derivation: Keys derived from master password using PBKDF2
Data Encryption: All secrets encrypted with AES-256-GCM
Double Protection: Vault data encrypted, then database encrypted

Encryption Details:

Algorithm: AES-256 in GCM mode
Key Size: 256-bit encryption keys
IV Generation: Unique IV for each encryption operation
Authentication: GCM provides built-in authentication
Key Rotation: Automatic re-encryption on master password change

Password Security Features 

Password Generation:

Cryptographically secure random generation
Configurable complexity requirements
Entropy calculation and display
No predictable patterns
Unique passwords enforced across vaults

Password Storage:

Never stored in plaintext
Encrypted immediately on entry
Memory cleared after use
No password logging
Secure clipboard operations

Password History:

Previous passwords retained encrypted
Prevents reuse across rotations
Configurable history depth
Audit trail for all changes
Compliance reporting support

Credential Rotation Security 

Rotation Policies:

By Asset Criticality:
- Critical Assets: 30-day rotation
- Standard Assets: 60-day rotation
- Low-Risk Assets: 90-day rotation
Emergency Rotation:
- Immediate rotation capability
- Batch rotation for incidents
- Documented reason required
- Notification system
- Audit priority flagging

Compliance Tracking:

Automated rotation reminders
Overdue password alerts
Compliance dashboard
Export capabilities for audits
Integration with audit system

Vault Access Control 

Permission Model:

Granular Permissions:
- Read: View vault contents
- Write: Modify secrets
- Export: Include in bundles
- Share: Grant permissions
Access Patterns:
- Default deny principle
- Explicit grant required
- No permission inheritance
- Time-limited access option

Access Security:

All access attempts logged
Failed access alerts
Session-based access
No cached credentials
Automatic permission expiry

Standalone Credentials Security 

Isolation Features:

Separate from asset vaults
Category-based organization
Independent access control
Dedicated audit trail
No cross-contamination

Best Practices:

Use categories for access control
Regular access reviews
Separate production/test credentials
Document credential purpose
Implement rotation schedules

Export and Import Security 

Export Security:

Vault Data in Exports:
- Optional inclusion
- Additional encryption layer
- Warning dialogs
- Audit logging
- Checksum verification
Secure Handling:
- Encrypt export files
- Secure transport methods
- Limited distribution
- Retention policies
- Destruction procedures

Import Security:

Verification before import
Conflict resolution options
Audit trail maintenance
Permission preservation
Rollback capability

Security Monitoring 

Vault-Specific Monitoring:

Access Monitoring:
- Real-time access logs
- Unusual access patterns
- Failed access attempts
- Permission changes
- Export operations
Compliance Monitoring:
- Rotation compliance
- Password strength
- Access reviews
- Policy violations
- Trend analysis

Alert Conditions:

Multiple failed access attempts
Unexpected permission grants
Overdue rotations
Weak passwords detected
Unusual export activity

Incident Response for Vaults 

Credential Compromise:

Immediate Actions:
- Identify affected credentials
- Emergency rotation
- Access review
- Alert affected users
- Document incident
Investigation:
- Review access logs
- Check export history
- Analyze permission changes
- Identify exposure window
- Determine impact scope
Remediation:
- Complete credential rotation
- Update access controls
- Security awareness training
- Policy updates
- Monitoring enhancements

Best Practices for Vault Security 

Organizational Policies:

Access Management:
- Principle of least privilege
- Regular access reviews
- Time-limited permissions
- Segregation of duties
- Documented approval process
Password Policies:
- Minimum complexity requirements
- Rotation schedules by risk
- No password sharing
- Unique passwords per system
- Emergency rotation procedures
Operational Security:
- Regular security training
- Incident response drills
- Compliance audits
- Policy enforcement
- Continuous improvement

Technical Controls:

Preventive:
- Strong encryption
- Access controls
- Password policies
- Input validation
- Secure defaults
Detective:
- Comprehensive logging
- Real-time monitoring
- Anomaly detection
- Compliance tracking
- Regular audits
Corrective:
- Emergency rotation
- Access revocation
- Incident response
- Recovery procedures
- Security updates

Incident Response 

Security Incident Types 

Unauthorized access attempts
Lost or stolen devices
Compromised passwords
Suspicious audit entries
Data corruption

Response Procedures 

Immediate Actions:
- Disable compromised accounts
- Change affected passwords
- Review audit logs
- Document incident details
Investigation:
- Determine scope of incident
- Identify affected assets
- Review access patterns
- Check configuration integrity
Remediation:
- Reset compromised credentials
- Restore from clean backups
- Update security measures
- User security training
Documentation:
- Complete incident report
- Update security procedures
- Notify stakeholders
- Compliance reporting