NIS2 | ISO/IEC 27001 | ISO/IEC 27002 | ISO/IEC 27005 | ISO/IEC 27005 | IEC 62443

Effective methodology for applying Cybersecurity in the European Union:
NIS2 Network Information Systems Directive
*ISO/IEC 27001 - Information security management systems requirements
*ISO/IEC 27002 - Code of practice for information security controls
*ISO/IEC 31000 - Risk Management & Guidelines
*ISO/IEC 27005 - Information Security Risk Management Guidelines of risk Risk Management
*ISO/IEC 62443 - Network and system security
3-3 System security requirements and security levels
4-1 Secure product development lifecycle requirements
Framework:
NIST SP 800-34 National Institute of Standards and Technology