Key Takeaways
- Excludes coverage for losses from war and hostile acts.
- Protects insurers from massive claims during conflicts.
- Applies to life, property, liability, and marine policies.
- Often includes terrorism and cyberattack exclusions.
What is Understanding War Exclusion Clauses in Insurance Policies?
A war exclusion clause is a provision in insurance contracts that excludes coverage for losses caused by war, civil unrest, or hostile actions, regardless of formal declarations. This clause helps insurers manage tail risk associated with unpredictable, large-scale conflicts that could otherwise bankrupt them.
These exclusions apply across various insurance types, including property, life, and marine policies, ensuring carriers are not liable for damages related to warlike events or related hostile acts.
Key Characteristics
War exclusion clauses have distinct features that define their scope and application:
- Broad Coverage: They typically exclude losses from declared or undeclared war, rebellion, insurrection, and civil strife.
- Hostile Acts: Coverage is denied for hostile acts by or against belligerent powers, including seizure, capture, or detainment.
- Derelict Weapons: Damage caused by mines, bombs, or torpedoes is often excluded.
- Extension to Cyber and Terrorism Risks: Some clauses include exclusions for cyberattacks linked to war or terrorism, highlighting the evolving nature of conflict.
- Contractual Basis: These clauses rely on principles like uberrimae fidei contract, where full disclosure is required by both insurer and insured.
How It Works
When a claim arises, insurers examine whether the loss resulted directly from war or related hostile acts. If so, the war exclusion clause is invoked to deny coverage, protecting the insurer from catastrophic payouts.
Interpretation often hinges on proximate cause; courts assess whether the immediate cause of loss falls within the exclusion. Ambiguities are usually resolved in favor of the insured, applying legal doctrines like contra proferentum. This nuanced approach ensures fair application while limiting insurer exposure.
Examples and Use Cases
War exclusion clauses impact a variety of real-world scenarios:
- Airlines: Bank of America has underwriting exposure considerations tied to geopolitical risk, similar to how Delta manages operational risk in conflict zones.
- Cyber Incidents: Disputes involving state-sponsored cyberattacks, which may or may not qualify as warlike acts, resemble cases discussed in hacktivism coverage debates.
- Marine Insurance: Specialized clauses like the ITCH Clause 23 exclude war risks but cover other perils, influencing how companies like SPY handle maritime investments.
- Property Damage: Buildings damaged by drone strikes or unrest may fall under these exclusions, affecting claims for insurers and policyholders alike.
Important Considerations
When evaluating policies, understand that war exclusions can significantly limit your coverage in conflict scenarios. It's essential to review policy wording carefully and consider purchasing specialized war risk insurance if operating in high-risk areas.
Reinsurance arrangements, such as obligatory reinsurance, may also follow these exclusions, potentially creating coverage gaps. Being informed helps you navigate these complexities and secure appropriate protection.
Final Words
War exclusion clauses limit coverage for losses tied to war or hostile acts, protecting insurers from massive claims during conflicts. Review your policy carefully and consult with an insurance expert to understand how these exclusions could impact your coverage.
Frequently Asked Questions
A war exclusion clause is a provision that excludes coverage for losses caused by war, warlike actions, or related hostile acts, whether or not a formal war is declared. It protects insurers from large-scale financial risks during conflicts.
Insurers use war exclusion clauses to avoid bankruptcy from massive claims during wars and conflicts. They also address moral hazards, such as when policyholders voluntarily engage in high-risk military service.
War exclusions commonly apply to life, disability, homeowner, auto, property, liability, and marine insurance policies, covering a wide range of potential losses linked to war and hostile acts.
These clauses generally exclude coverage for declared or undeclared war, civil war, revolution, rebellion, insurrection, civil strife, hostile acts by belligerent powers, and damage from derelict weapons like mines or bombs.
Many war exclusion clauses extend to terrorism, cyberattacks, or warlike acts, but coverage disputes can arise especially over state-sponsored cyber operations and how 'warlike' acts are defined.
Courts often focus on the proximate cause of loss and resolve ambiguities against insurers. For example, damage indirectly linked to war or cyberattacks may not always trigger exclusions without clear, direct connection.
Yes, some policies or government backstops offer exceptions or special coverage for war-related risks, but these are typically separate from standard insurance agreements and require specific arrangements.

