System Hardening Cheat Sheet for Information Security

This document is a guide focused on system hardening techniques essential for enhancing information security. It outlines the necessity for organizations to periodically verify their information system vulnerabilities through vulnerability analyses and penetration testing. The guide details various hardening techniques that can improve the performance and security posture of information systems, emphasizing the importance of secure configurations and compliance with industry standards. It presents specific guidelines for hardening applications, databases, operating systems, and servers, including establishing secure configuration processes, implementing automatic session locking, and managing default accounts. Additionally, the document provides checklists for server and application hardening, highlighting critical practices such as timely patching, monitoring security bulletins, and ensuring proper permissions. The guide serves as a comprehensive resource for organizations aiming to mitigate vulnerabilities and enhance their overall security framework.