The future of cybersecurity lies in adopting an open security model that emphasizes transparency and collaboration over secrecy, as demonstrated by the open-source nature of Elasticsearch and the global response to the Log4j vulnerability. Traditional closed security systems often fall short against sophisticated adversaries, as seen in high-profile breaches like the SolarWinds attack. Open security encourages a community-driven approach where shared knowledge and practices can enhance defenses, making it harder for attackers to exploit vulnerabilities. By embracing openness, security vendors can improve threat detection and response times, leveraging frameworks like MITRE ATT&CK to better understand adversarial tactics. This approach also fosters trust, enabling organizations to build customized, robust defenses while learning from industry-wide insights, ultimately reducing the impact of cyber threats and enhancing the overall resilience of security systems.