The importance of comprehensive log collection cannot be overstated in modern cybersecurity, as it provides visibility into all IT activities, enabling the detection and response to security incidents in real-time. Maintaining log integrity through techniques such as hashing, encryption, and access controls is crucial for ensuring data accuracy and trustworthiness. Regular log analysis and review, including threat hunting using methodologies like the MITRE ATT&CK Framework, helps identify anomalies and detect potential threats. Real-time monitoring and alerts are essential for immediate detection of security incidents, while a centralized log management system on a data lake offers reduced costs and enhanced visibility in threat investigation. By following these best practices, organizations can significantly improve their cybersecurity posture and enhance their ability to detect, analyze, and respond to security threats.