Understanding 21st Century Security

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Understanding 21st Century Security, Disinformation, Drones, Hybrid Warfare, and Global Risks.

Course Description

This introductory course offers a clear, structured overview of the forces reshaping global security in the 21st century. It distils complex issues into accessible insights grounded in my professional experience as a strategic educator, retired senior military officer, and global leadership mentor. The content reflects decades of operational, diplomatic, and analytical work across defence, humanitarian action, and international security.

To ensure clarity, coherence, and learner‑focused delivery, AI tools were used during the development process to assist in drafting lecture outlines, refining structure, and shaping section summaries. Every concept, example, and explanation has been personally reviewed, fact‑checked, and aligned with real‑world cases and professional standards.

Learners gain a foundational understanding of seven interconnected themes that define today’s security environment:

  • Disinformation and influence operations, and how they undermine trust, polarise societies, and shape political outcomes
  • Hybrid warfare, where states blend cyberattacks, proxies, economic coercion, and information manipulation to operate in the grey zone between peace and war
  • Drone warfare, including the rise of loitering munitions, swarms, and the democratisation of airpower
  • Ethical challenges of lethal autonomy, including human control, accountability gaps, and algorithmic bias
  • AI and the future of warfare, and the legal, strategic, and governance dilemmas created by accelerated decision cycles
  • Climate, conflict, and security, exploring how environmental stress multiplies fragility, displacement, and instability
  • Geopolitics in the 21st century, highlighting shifting power dynamics, technological competition, and the emergence of a multipolar world

The course is designed as a high‑value introduction—concise, globally relevant, and grounded in ethical leadership. It prepares learners to engage more deeply with each topic through the full-length courses, where the frameworks, case studies, and applied analysis are explored in greater depth.


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