The Ramparts team has over 3 decades of experience performing threat analysis for critical infrastructure and defense systems, and over a decade of experience leading adversarial red team assessments focusing on military and commercial platforms. Ramparts serves the defense, medical, and energy sectors by providing external third-party security assessments of developing and deployed systems. We have demonstrated proficiency and proven methods to identify, quantify, and target high-profile risk scenarios, demonstrate practical system exploitation, and develop strategies for effective and affordable threat mitigation. Ramparts additionally serves the financial sector by providing security assessment and auditing services to cryptocurrency and digital asset management companies. Ramparts services have shown to be critical during pre-launch (design, development, and implementation phase), and post-launch (operational phase) for major established cryptocurrency and digital asset management firms.