Managing Public Key Infrastructure in Air-Gapped Networks is a comprehensive guide that explores the unique challenges and solutions involved in deploying and maintaining PKI systems in isolated, high-security environments. Designed for cybersecurity professionals, system administrators, and compliance officers, the book covers topics ranging from secure key generation and certificate lifecycle management to quantum-resilient strategies, red team assessments, and legal considerations. With a focus on operational rigor, cryptographic integrity, and procedural discipline, it provides practical frameworks and technical insights essential for ensuring trust in disconnected infrastructures