This document outlines the security policies, procedures, and best practices for the Scripts & Snippets repository. Our commitment to security-first design ensures that all tools are built with enterprise-grade security standards.

• Security by Design: Security considerations are built into every tool from the ground up
• Principle of Least Privilege: Tools default to minimal required permissions
• Defense in Depth: Multiple security layers protect against various threat vectors
• Secure by Default: All tools ship with secure configurations as the default
• Transparency: Open source approach allows for community security review
• Continuous Improvement: Regular security assessments and updates

• OWASP Compliance: Following secure coding practices and guidelines
• Input Validation: Comprehensive validation of all user inputs
• Audit Logging: Detailed logging for security-sensitive operations
• Credential Protection: GPG encryption for all sensitive data
• Access Control: Granular permission management systems

Security Level: ⭐⭐⭐⭐⭐ (Maximum) Status: Production-ready, enterprise-grade Location: bash/create_admin_user/

Security Features:

• Granular Sudo Permissions: 4-level security system (minimal|standard|admin|full)
• SSH Key Security: Mandatory passphrases, key expiry tracking, secure generation
• Input Validation: Comprehensive validation of all user inputs
• Audit Logging: Detailed security event logging with timestamps
• Backup System: Intelligent backup with secure storage and cleanup
• Dry-Run Testing: Validation without system changes
• Configuration Security: Secure file permissions (600) for sensitive files

Threat Mitigation:

• Privilege Escalation: Granular permissions prevent over-privileging
• Credential Exposure: GPG encryption for all sensitive data
• Input Attacks: Comprehensive validation prevents injection attacks
• Audit Requirements: Detailed logging for compliance and forensics

Security Level: ⭐⭐⭐⭐ (High) Status: Production-ready Location: bash/auto-update.sh

Security Features:

• Encrypted Credentials: GPG-encrypted SMTP passwords
• Secure Configuration: Protected environment files (chmod 600)
• Comprehensive Logging: Detailed audit trails
• Email Security: TLS/STARTTLS for SMTP communications
• Input Validation: Validated configuration parameters

Security Level: ⭐⭐⭐⭐ (High) Status: Production-ready Location: python/new_project/

Security Features:

• Secure Random Generation: Cryptographically secure random functions
• Input Validation: Email and data format validation
• Secure Logging: Protected log files with appropriate permissions
• Type Safety: Type hints for improved code safety

Security Level: ⭐⭐⭐⭐⭐ (Maximum) Status: Production-ready Location: Vulnerability_Fix/

Covered Vulnerabilities:

• Adobe Flash Removal: Complete removal of security-vulnerable Flash components
• CVE-2013-3900: Authenticode verification bypass mitigation
• LAN Manager Hash: Weak authentication protocol hardening
• Registry Security: DDE auto-execution and Windows Defender controls

We take security seriously and appreciate responsible disclosure of security vulnerabilities.

• Primary Contact: Create GitHub Security Advisory
• Email: For sensitive issues, contact maintainers directly through GitHub
• Response Time: Initial response within 48 hours for critical issues, 7 days for others

When reporting a security vulnerability, please include:

1. Vulnerability Description: Clear description of the security issue
2. Affected Components: Which scripts, functions, or modules are affected
3. Attack Vector: How the vulnerability could be exploited
4. Impact Assessment: Potential impact and severity level
5. Proof of Concept: Steps to reproduce (if safe to share)
6. Suggested Mitigation: Any recommendations for fixes or workarounds

1. Acknowledgment: Confirm receipt of security report within 48 hours
2. Assessment: Evaluate severity and impact within 7 days
3. Investigation: Detailed analysis and reproduction of the issue
4. Development: Create and test security fixes
5. Review: Security review of proposed fixes
6. Release: Coordinated disclosure and patch release
7. Communication: Public disclosure after fix deployment

All contributions must adhere to these security standards:

• Input Validation: All user inputs must be validated and sanitized
• Error Handling: Secure error handling without information leakage
• Logging: Security-relevant events must be logged appropriately
• Permissions: Use minimal required permissions (principle of least privilege)
• Credentials: No hardcoded credentials or sensitive data in code
• Dependencies: Use only trusted, maintained dependencies

1. Automated Checks: Static analysis and security scanning
2. Manual Review: Security-focused code review by maintainers
3. Testing: Security testing including edge cases and error conditions
4. Documentation: Security implications documented in pull requests

# Example: Secure file creation with proper permissions
touch sensitive_file.conf
chmod 600 sensitive_file.conf

# Example: Input validation
if [[ ! "$user_input" =~ ^[a-zA-Z0-9_-]+$ ]]; then
    echo "Invalid input format" >&2
    exit 1
fi

# Example: Secure logging
log_security_event() {
    echo "$(date -Iseconds): SECURITY: $*" >> /var/log/security.log
    chmod 600 /var/log/security.log
}

• Verify Sources: Always clone from official repository
• Check Integrity: Verify git signatures and commit hashes
• Secure Permissions: Set appropriate file permissions after installation
• Environment Isolation: Use dedicated service accounts where possible

• Secure Defaults: Review and customize default configurations
• Credential Management: Use GPG encryption for sensitive data
• File Permissions: Ensure configuration files have restrictive permissions
• Regular Updates: Keep tools updated with latest security patches

# Secure installation example
git clone https://github.com/talltechy/scripts_snippets.git
cd scripts_snippets
find bash/ -name "*.sh" -exec chmod +x {} \;
find . -name "*.conf" -exec chmod 600 {} \;
find . -name "*.env" -exec chmod 600 {} \;

# Secure configuration example
sudo mkdir -p /etc/scripts_snippets
sudo cp bash/create_admin_user/config.example /etc/scripts_snippets/create_admin_user.conf
sudo chmod 600 /etc/scripts_snippets/create_admin_user.conf
sudo chown root:root /etc/scripts_snippets/create_admin_user.conf

• Production Deployment: Always use dry-run mode first
• Privileged Operations: Use minimal required sudo permissions
• Network Operations: Validate all network communications
• Credential Handling: Never store credentials in plaintext

• Log Monitoring: Monitor security logs for unusual activity
• Permission Audits: Regular audits of file and user permissions
• Configuration Reviews: Periodic review of security configurations
• Update Tracking: Monitor for security updates and patches

1. Privilege Escalation: Unauthorized elevation of system privileges
2. Credential Compromise: Exposure or theft of authentication credentials
3. Code Injection: Malicious code execution through input vectors
4. Configuration Tampering: Unauthorized modification of security settings
5. Supply Chain Attacks: Compromise through dependencies or distribution

• Input Manipulation: Malicious input to scripts and configuration files
• File System Access: Unauthorized access to sensitive files and directories
• Network Interception: Man-in-the-middle attacks on network communications
• Social Engineering: Manipulation of users to bypass security controls

• System Administrator: Trusted to execute scripts with appropriate privileges
• Configuration Files: Trusted content with secure file permissions
• Network Communications: Encrypted channels for sensitive data
• Log Files: Trusted storage with restricted access

• Execution Environment: Scripts run on trusted, maintained systems
• User Competence: Users understand security implications of their actions
• Network Security: Basic network security controls are in place
• System Integrity: Underlying operating system is secure and updated

1. Vulnerability Exploitation: Active exploitation of known or unknown vulnerabilities
2. Unauthorized Access: Breach of access controls or authentication
3. Data Exposure: Unintended disclosure of sensitive information
4. System Compromise: Compromise of systems running the scripts
5. Supply Chain Compromise: Compromise of dependencies or distribution channels

1. Incident Confirmation: Verify and classify the security incident
2. Impact Assessment: Determine scope and potential impact
3. Containment: Implement immediate containment measures
4. Stakeholder Notification: Notify relevant stakeholders and users
5. Evidence Preservation: Preserve logs and evidence for investigation

1. Root Cause Analysis: Determine how the incident occurred
2. Impact Analysis: Assess full scope of the compromise
3. Timeline Reconstruction: Create detailed timeline of events
4. Vulnerability Assessment: Identify related vulnerabilities
5. Remediation Planning: Develop comprehensive remediation plan

1. System Restoration: Restore affected systems to secure state
2. Security Improvements: Implement additional security controls
3. Monitoring Enhancement: Improve detection and monitoring capabilities
4. Documentation Updates: Update security documentation and procedures
5. Lessons Learned: Conduct post-incident review and improvements

• Incident Team: Core team for incident response coordination
• Stakeholders: Project maintainers and key contributors
• Users: Community notification through appropriate channels

• Security Community: Coordination with security researchers
• Vendors: Notification of affected third-party components
• Authorities: Law enforcement if criminal activity is suspected

• Vulnerability Response Time: Time from disclosure to patch release
• Security Test Coverage: Percentage of code covered by security tests
• Configuration Compliance: Adherence to security configuration standards
• Incident Response Time: Time to detect and respond to security incidents

• Log Analysis: Automated analysis of security logs
• Vulnerability Scanning: Regular scanning for known vulnerabilities
• Configuration Monitoring: Monitoring for security configuration changes
• Dependency Tracking: Monitoring of third-party dependencies for vulnerabilities

• Monthly Security Summary: Overview of security activities and metrics
• Quarterly Security Review: Comprehensive security posture assessment
• Annual Security Audit: Independent security audit and assessment
• Incident Reports: Detailed reports for significant security incidents

• Security Patches: Released as needed for critical vulnerabilities
• Maintenance Updates: Monthly updates for non-critical security improvements
• Major Releases: Quarterly releases with significant security enhancements
• Documentation Updates: Ongoing updates to security documentation

• Security Advisories: GitHub Security Advisories for critical issues
• Release Notes: Detailed security information in release notes
• Community Channels: Notification through project communication channels
• Automated Alerts: Optional automated notification for security updates

• Dependency Updates: Regular updates of dependencies and libraries
• Configuration Reviews: Periodic review of security configurations
• Log Analysis: Regular analysis of security logs and events
• Vulnerability Assessments: Ongoing assessment for new vulnerabilities

• Installation Guide: Secure installation procedures
• Examples Guide: Security-focused usage examples
• Contributing Guidelines: Security requirements for contributors
• Tool Documentation: Security features and configurations for each tool

• Security Discussions: GitHub Discussions for security topics
• Security Issues: GitHub Issues for non-sensitive security improvements
• Security Advisories: GitHub Security Advisories for vulnerability reports
• Community Reviews: Peer review of security-related changes

• Best Practices: Security best practices for system administrators
• Threat Awareness: Common threats and mitigation strategies
• Secure Coding: Secure development practices for contributors
• Incident Response: Guidelines for responding to security incidents

• Verify repository authenticity before cloning
• Set appropriate file permissions after installation
• Configure GPG for credential encryption
• Review and customize security configurations
• Enable comprehensive logging
• Regularly update tools and dependencies
• Monitor security logs for unusual activity
• Use dry-run mode before production deployment

• Follow secure coding standards
• Validate all user inputs
• Implement proper error handling
• Add security-focused tests
• Document security implications
• Review security impact of changes
• Test with security-focused scenarios
• Update security documentation as needed

• Conduct security reviews of all contributions
• Maintain security documentation
• Monitor for security vulnerabilities
• Respond promptly to security reports
• Coordinate security updates and patches
• Communicate security information to users
• Conduct regular security assessments
• Maintain incident response capabilities

This security policy is reviewed and updated regularly to reflect current security practices and threat landscape.

Last Updated: January 2025
Next Review: April 2025
Version: 2.0

For questions about this security policy or to report security issues, please use the contact methods outlined in the Vulnerability Reporting section.

Security is a shared responsibility. Together, we can maintain the highest security standards for the Scripts & Snippets repository.