In this article, originally published by the British Actuarial Journal, Irregular Warfare Initiative’s Tom Johansmeyer explores how the escalating effects of climate change may compromise global cybersecurity. Titled Bad Decisions Have Consequences: How Cyber Security Could Fall Victim to Climate Change, the article examines the underexplored intersection of cyber and economic security and the growing strain on insurance capital.
Johansmeyer argues that the availability of insurance capital—a critical backstop for economic recovery following cyberattacks—is increasingly at risk due to mounting natural disaster losses. These climate-driven pressures could undermine the financial resilience necessary to support the cyber domain, weakening both deterrence and recovery capacities. Drawing on economic data and sectoral trends, this piece makes an original contribution to national security discourse by highlighting how climate change may indirectly degrade cyber defense by eroding the economic infrastructure underpinning it.
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