OWASP Top 10:

The Open Web Application Security Project (OWASP) Top 10 is a standard that outlines the most critical web application security risks. The auditors will likely assess your application against the OWASP Top 10 to identify and prioritize potential vulnerabilities.

NIST Cybersecurity Framework:

The National Institute of Standards and Technology (NIST) Cybersecurity Framework provides a set of guidelines and best practices for managing cybersecurity risks. The auditors may evaluate your system's alignment with the NIST framework, covering areas such as asset management, access control, and incident response.

ISO 27001:

ISO 27001 is an international standard for information security management systems (ISMS). The auditors may assess your system's compliance with ISO 27001 requirements, including risk assessment, security policies, and continuous improvement processes.

PCI DSS:

If your lottery system involves payment processing, the auditors will likely assess its compliance with the Payment Card Industry Data Security Standard (PCI DSS). PCI DSS provides a set of security requirements for protecting cardholder data and ensuring secure payment transactions. GDPR or relevant data protection regulations:

General Data Protection Regulation (GDPR) in the European Union.

Cloud Security Alliance (CSA) Controls:

CSA provides a set of best practices and recommendations for securing cloud-based systems. Industry-specific standards: