Learn how to implement effective blue team security measures with no budget in this 42-minute conference talk from BSides Cleveland 2017. Explore the NIST Cybersecurity Framework, network mapping, vulnerability scanning, and intrusion detection using open-source tools. Discover strategies for documentation, configuration management, and web server security. Gain insights on patch management, Windows Update Services, and host-based intrusion detection systems. Understand the importance of human education in cybersecurity and learn to manage open-source tools effectively for a robust security posture.