Artificial Intelligence (AI) is rapidly becoming a cornerstone of economic competitiveness, public service delivery, and national security. At the same time, it introduces new systemic risks to cybersecurity, privacy, and societal trust. This paper, developed under the Charter of Trust’s Principle 3 “Security by Default”, addresses this dual challenge: securing AI systems throughout their lifecycle while responsibly leveraging AI to strengthen cybersecurity.
Aligned with the Charter of Trust’s overarching goals—to protect data, prevent harm to people and infrastructure, and establish a reliable foundation for trust in a digital world—the paper outlines how Security by Default can operationalize Trustworthy AI. It positions security not as a reactive compliance exercise, but as an inherent, continuously enforced design principle that enables innovation while safeguarding resilience, transparency, and accountability.
Against a backdrop of increasing geopolitical competition, fragmented regulatory regimes, and accelerating AI adoption, the paper highlights the strategic importance of trust as a differentiator for organizations and societies alike. It examines key governance, technical, and regulatory risks surrounding AI, and underscores the need for coherent governance models that integrate cybersecurity, privacy, and ethical considerations from design through deployment and operation.
Building on the Charter of Trust’s prior work, the paper provides a high-level framework for embedding Security by Default across the AI lifecycle, aligned with emerging global regulations such as the European Union (EU) AI Act. It also demonstrates how AI, when securely designed and governed, can serve as a powerful enabler of cybersecurity—enhancing threat detection, incident response, and risk management.
Ultimately, the paper reinforces the Charter of Trust’s conviction that trust, security, and innovation must advance together. By embedding Security by Default and Trustworthy AI principles at the core of AI development and use, organizations can strengthen digital trust, improve resilience, and contribute to a safer and more reliable digital future.
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