Description: End of Life (EOL) refers to the point at which a product, software, or service no longer receives support, updates, or maintenance from its manufacturer or developer. This term is crucial in the realm of cybersecurity, especially in the dynamics between Red Team and Blue Team. For the Red Team, which simulates attacks to identify vulnerabilities, EOL represents an opportunity to exploit outdated systems that do not receive security patches. On the other hand, the Blue Team, responsible for defending the infrastructure, must be vigilant about these EOL products, as their use can compromise network security. Managing EOL involves strategic decisions about upgrading or replacing systems and planning the transition to new technologies. Ignoring EOL can lead to significant risks, as outdated systems are more susceptible to attacks and may not comply with security regulations. In summary, ‘End of Life’ is a critical concept that affects both the security and operability of organizations, and proper management is essential to maintain a secure and efficient environment.