Instead of bringing peace, globalised networks have often increased insecurity. This will worsen as great powers exploit each others’ vulnerabilities and retaliate against each other for this exploitation. Photograph: Getty After decades of neglect, Ireland is finally debating national security. Unfortunately, we don’t just need to catch up with the rest of the world, but understand how our economic growth strategy involved national security choices that are coming back to bite us. Market-based globalisation is being eaten alive as powerful countries contend for domination. That means that the economic advantages that Ireland strove to build for decades have hidden security...