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💣 '''War and terrorism insurance''' provides coverage for [[Definition:Loss | losses]] arising from acts of war, terrorism, sabotage, or political violence — perils that standard [[Definition:Property insurance | property]] and [[Definition:Casualty insurance | casualty]] policies almost universally [[Definition:Exclusion | exclude]]. The market for this coverage crystallized after the September 11, 2001 attacks, which produced roughly $45 billion in [[Definition:Insured loss | insured losses]] and prompted [[Definition:Reinsurance | reinsurers]] to withdraw terrorism capacity from conventional treaties virtually overnight. Today the product spans a spectrum from standalone terrorism policies and political violence programs to government-backed [[Definition:Risk pool | risk pools]] such as the U.S. [[Definition:Terrorism Risk Insurance Act (TRIA) | Terrorism Risk Insurance Act (TRIA)]] and the UK's [[Definition:Pool Re | Pool Re]].

⚙️ Coverage mechanics depend heavily on whether the risk is classified as a "certified" act of terrorism — a designation made by government authorities under frameworks like TRIA — or falls under broader political violence definitions that include insurrection, civil commotion, coup d'état, or war. Under TRIA, for example, private [[Definition:Insurance carrier | insurers]] must make terrorism coverage available for [[Definition:Commercial lines | commercial lines]] policyholders, and in exchange the federal government acts as a [[Definition:Backstop | backstop]] reinsurer above certain loss thresholds, sharing the financial burden once industry-wide losses surpass a legislated trigger. Outside the U.S., [[Definition:Lloyd's of London | Lloyd's of London]] syndicates and specialty [[Definition:Surplus lines | surplus lines]] carriers are among the primary sources of standalone political violence and war risk capacity, often structuring programs with layered [[Definition:Excess of loss | excess of loss]] towers and event-specific [[Definition:Aggregate limit | aggregate limits]]. [[Definition:Underwriting | Underwriters]] rely on threat intelligence, geopolitical risk modeling, and [[Definition:Accumulation management | accumulation management]] analytics to price and manage these exposures.

🌍 The relevance of war and terrorism insurance extends well beyond the handful of carriers that write it. Because terrorism exclusions are embedded in nearly every standard [[Definition:Insurance policy | policy form]], [[Definition:Risk manager | risk managers]] across virtually all industries must decide whether to purchase separate terrorism coverage — and the adequacy of that decision affects mortgage requirements, lease obligations, and corporate governance. For the insurance industry as a whole, government backstop programs like TRIA remain a topic of intense [[Definition:Insurance regulation | regulatory]] and legislative debate: critics argue they create [[Definition:Moral hazard | moral hazard]] and crowd out private capacity, while proponents maintain that the catastrophic and unmodellable nature of terrorism makes a public-private partnership indispensable. As geopolitical instability evolves — including [[Definition:Cyber terrorism | cyber terrorism]] threats — the boundaries of what this coverage includes are being tested and reshaped.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Terrorism Risk Insurance Act (TRIA)]]
* [[Definition:Political violence insurance]]
* [[Definition:Pool Re]]
* [[Definition:Exclusion]]
* [[Definition:Catastrophe risk]]
* [[Definition:Reinsurance]]
{{Div col end}}

Definition:War and terrorism insurance - Revision history

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