How can we combat cyber threats on personal and national levels, enhance cyber-security and minimise the risks to our interconnected societies? This two-part special investigates the cybersecurity dilemna faced by several countries around the world, with a particular focus on technologically advanced countries such as Singapore, aiming to be a "Smart Nation".

With exclusive access to cybersecurity and defence experts, we take you to the cutting edge of the world's secret wars, fought on the cyber battlefield.