In an article by Tony Meehan, a former NSA vulnerability and exploit developer, he argues for the adoption of open security as the most effective defense against nation-state cyberattacks. Meehan reflects on his past experience exploiting vulnerabilities and highlights the inevitability of breaches due to motivated adversaries and talent shortages in cybersecurity. He contrasts the success of handling the Log4j vulnerability, discovered and addressed through open-source scrutiny, with the prolonged exploitation of SolarWinds' closed-source product by a nation-state. Meehan emphasizes that open security fosters transparency and collaboration, enabling the security community to tackle threats more effectively by encouraging scrutiny and fixing flaws. He advocates for the security industry to shift towards openness, investing in both open-source initiatives and community collaboration to enhance overall cybersecurity resilience.